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Finding the Fourth Proportional to 17,312.40, 25,972.92 and 5,000.40

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Solution

The fourth proportional to 17,312.40, 25,972.92 and 5,000.40 is: 7,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.40 : 25,972.92 = 5,000.40 : x
  2. Step 2: Convert to fraction form
    17,312.40/25,972.92 = 5,000.40/x
  3. Step 3: Cross multiply
    17,312.40x = 25,972.92 × 5,000.40
  4. Step 4: Simplify right side
    17,312.40x = 129,874,989.17
  5. Step 5: Solve for x
    x = 129,874,989.17/17,312.40
  6. Step 6: Final answer
    x = 7,501.85

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