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Finding the Fourth Proportional to 39,284.80, 58,927.20 and 9,702.40

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Solution

The fourth proportional to 39,284.80, 58,927.20 and 9,702.40 is: 14,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.80 : 58,927.20 = 9,702.40 : x
  2. Step 2: Convert to fraction form
    39,284.80/58,927.20 = 9,702.40/x
  3. Step 3: Cross multiply
    39,284.80x = 58,927.20 × 9,702.40
  4. Step 4: Simplify right side
    39,284.80x = 571,735,265.28
  5. Step 5: Solve for x
    x = 571,735,265.28/39,284.80
  6. Step 6: Final answer
    x = 14,553.60

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