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Finding the Fourth Proportional to 53,432.80, 80,149.20 and 25,784.80

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Solution

The fourth proportional to 53,432.80, 80,149.20 and 25,784.80 is: 38,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.80 : 80,149.20 = 25,784.80 : x
  2. Step 2: Convert to fraction form
    53,432.80/80,149.20 = 25,784.80/x
  3. Step 3: Cross multiply
    53,432.80x = 80,149.20 × 25,784.80
  4. Step 4: Simplify right side
    53,432.80x = 2,066,631,092.16
  5. Step 5: Solve for x
    x = 2,066,631,092.16/53,432.80
  6. Step 6: Final answer
    x = 38,677.20

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