Answer:
24
Step-by-step explanation:
a:b::c:d
a/b=c/d .......(eq 1)
let a=5, b=8, c=15, d=x
Not put values in eq 1
5/8 = 15/a
By cross multiplication we get:
5xa = 15x8
5a = 120
Dividing by 5 on both sides we get
5a/5 = 120/5
a = 24
Therefore The fourth proportional is 24
