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Finding the Fourth Proportional to 31,354.91, 43,270.50 and 17,927.42

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Solution

The fourth proportional to 31,354.91, 43,270.50 and 17,927.42 is: 24,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.91 : 43,270.50 = 17,927.42 : x
  2. Step 2: Convert to fraction form
    31,354.91/43,270.50 = 17,927.42/x
  3. Step 3: Cross multiply
    31,354.91x = 43,270.50 × 17,927.42
  4. Step 4: Simplify right side
    31,354.91x = 775,728,210.76
  5. Step 5: Solve for x
    x = 775,728,210.76/31,354.91
  6. Step 6: Final answer
    x = 24,740.25

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