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Finding the Fourth Proportional to 53,354.15, 80,035.28 and 15,911.30

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Solution

The fourth proportional to 53,354.15, 80,035.28 and 15,911.30 is: 23,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.15 : 80,035.28 = 15,911.30 : x
  2. Step 2: Convert to fraction form
    53,354.15/80,035.28 = 15,911.30/x
  3. Step 3: Cross multiply
    53,354.15x = 80,035.28 × 15,911.30
  4. Step 4: Simplify right side
    53,354.15x = 1,273,465,350.66
  5. Step 5: Solve for x
    x = 1,273,465,350.66/53,354.15
  6. Step 6: Final answer
    x = 23,868.16

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