Home / 25,981.79-38,972.68-14,880.78

Finding the Fourth Proportional to 25,981.79, 38,972.68 and 14,880.78

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Solution

The fourth proportional to 25,981.79, 38,972.68 and 14,880.78 is: 22,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.79 : 38,972.68 = 14,880.78 : x
  2. Step 2: Convert to fraction form
    25,981.79/38,972.68 = 14,880.78/x
  3. Step 3: Cross multiply
    25,981.79x = 38,972.68 × 14,880.78
  4. Step 4: Simplify right side
    25,981.79x = 579,943,839.89
  5. Step 5: Solve for x
    x = 579,943,839.89/25,981.79
  6. Step 6: Final answer
    x = 22,321.17

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