Question

The fourth proportional to 5, 8, 15 is

विकल्प

• 18

• 24

• 19

• 20

Answer 1

24
Explanation:
Let the fourth proportional to 5, 8, 15 be x.
Then, `5:8::15:x`
⇒ `5x=(8xx15)`

⇒ `x=((8xx15))/5=24`