Home / 28,754.13-39,702.33-28,294.86

Finding the Fourth Proportional to 28,754.13, 39,702.33 and 28,294.86

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Solution

The fourth proportional to 28,754.13, 39,702.33 and 28,294.86 is: 39,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.13 : 39,702.33 = 28,294.86 : x
  2. Step 2: Convert to fraction form
    28,754.13/39,702.33 = 28,294.86/x
  3. Step 3: Cross multiply
    28,754.13x = 39,702.33 × 28,294.86
  4. Step 4: Simplify right side
    28,754.13x = 1,123,371,869.02
  5. Step 5: Solve for x
    x = 1,123,371,869.02/28,754.13
  6. Step 6: Final answer
    x = 39,068.19

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1.5x scale

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.