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Finding the Fourth Proportional to 40,830.31, 61,229.70 and 15,867.07

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Solution

The fourth proportional to 40,830.31, 61,229.70 and 15,867.07 is: 23,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.31 : 61,229.70 = 15,867.07 : x
  2. Step 2: Convert to fraction form
    40,830.31/61,229.70 = 15,867.07/x
  3. Step 3: Cross multiply
    40,830.31x = 61,229.70 × 15,867.07
  4. Step 4: Simplify right side
    40,830.31x = 971,535,935.98
  5. Step 5: Solve for x
    x = 971,535,935.98/40,830.31
  6. Step 6: Final answer
    x = 23,794.48

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