Home / 23,125.76-31,917.08-16,781.16

Finding the Fourth Proportional to 23,125.76, 31,917.08 and 16,781.16

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Solution

The fourth proportional to 23,125.76, 31,917.08 and 16,781.16 is: 23,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.76 : 31,917.08 = 16,781.16 : x
  2. Step 2: Convert to fraction form
    23,125.76/31,917.08 = 16,781.16/x
  3. Step 3: Cross multiply
    23,125.76x = 31,917.08 × 16,781.16
  4. Step 4: Simplify right side
    23,125.76x = 535,605,542.31
  5. Step 5: Solve for x
    x = 535,605,542.31/23,125.76
  6. Step 6: Final answer
    x = 23,160.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.