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Finding the Fourth Proportional to 28,999.92, 43,508.54 and 16,679.28

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Solution

The fourth proportional to 28,999.92, 43,508.54 and 16,679.28 is: 25,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.92 : 43,508.54 = 16,679.28 : x
  2. Step 2: Convert to fraction form
    28,999.92/43,508.54 = 16,679.28/x
  3. Step 3: Cross multiply
    28,999.92x = 43,508.54 × 16,679.28
  4. Step 4: Simplify right side
    28,999.92x = 725,691,121.05
  5. Step 5: Solve for x
    x = 725,691,121.05/28,999.92
  6. Step 6: Final answer
    x = 25,023.90

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