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Finding the Fourth Proportional to 27,572.80, 41,359.20 and 14,429.20

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Solution

The fourth proportional to 27,572.80, 41,359.20 and 14,429.20 is: 21,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.80 : 41,359.20 = 14,429.20 : x
  2. Step 2: Convert to fraction form
    27,572.80/41,359.20 = 14,429.20/x
  3. Step 3: Cross multiply
    27,572.80x = 41,359.20 × 14,429.20
  4. Step 4: Simplify right side
    27,572.80x = 596,780,168.64
  5. Step 5: Solve for x
    x = 596,780,168.64/27,572.80
  6. Step 6: Final answer
    x = 21,643.80

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