Home / 28,142.57-42,192.90-17,046.59

Finding the Fourth Proportional to 28,142.57, 42,192.90 and 17,046.59

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Solution

The fourth proportional to 28,142.57, 42,192.90 and 17,046.59 is: 25,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142.57 : 42,192.90 = 17,046.59 : x
  2. Step 2: Convert to fraction form
    28,142.57/42,192.90 = 17,046.59/x
  3. Step 3: Cross multiply
    28,142.57x = 42,192.90 × 17,046.59
  4. Step 4: Simplify right side
    28,142.57x = 719,244,856.25
  5. Step 5: Solve for x
    x = 719,244,856.25/28,142.57
  6. Step 6: Final answer
    x = 25,557.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.