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Finding the Fourth Proportional to 22,890.47, 34,307.97 and 9,715.17

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Solution

The fourth proportional to 22,890.47, 34,307.97 and 9,715.17 is: 14,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.47 : 34,307.97 = 9,715.17 : x
  2. Step 2: Convert to fraction form
    22,890.47/34,307.97 = 9,715.17/x
  3. Step 3: Cross multiply
    22,890.47x = 34,307.97 × 9,715.17
  4. Step 4: Simplify right side
    22,890.47x = 333,307,760.90
  5. Step 5: Solve for x
    x = 333,307,760.90/22,890.47
  6. Step 6: Final answer
    x = 14,560.99

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