Home / 18,702.28-25,778.82-17,652.52

Finding the Fourth Proportional to 18,702.28, 25,778.82 and 17,652.52

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Solution

The fourth proportional to 18,702.28, 25,778.82 and 17,652.52 is: 24,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.28 : 25,778.82 = 17,652.52 : x
  2. Step 2: Convert to fraction form
    18,702.28/25,778.82 = 17,652.52/x
  3. Step 3: Cross multiply
    18,702.28x = 25,778.82 × 17,652.52
  4. Step 4: Simplify right side
    18,702.28x = 455,061,135.63
  5. Step 5: Solve for x
    x = 455,061,135.63/18,702.28
  6. Step 6: Final answer
    x = 24,331.85

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Why These Related Problems?

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