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Finding the Fourth Proportional to 18,400.53, 27,584.38 and 15,305.92

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Solution

The fourth proportional to 18,400.53, 27,584.38 and 15,305.92 is: 22,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.53 : 27,584.38 = 15,305.92 : x
  2. Step 2: Convert to fraction form
    18,400.53/27,584.38 = 15,305.92/x
  3. Step 3: Cross multiply
    18,400.53x = 27,584.38 × 15,305.92
  4. Step 4: Simplify right side
    18,400.53x = 422,204,313.53
  5. Step 5: Solve for x
    x = 422,204,313.53/18,400.53
  6. Step 6: Final answer
    x = 22,945.23

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