Home / 28,294.76-42,449.36-13,298.98

Finding the Fourth Proportional to 28,294.76, 42,449.36 and 13,298.98

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Solution

The fourth proportional to 28,294.76, 42,449.36 and 13,298.98 is: 19,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.76 : 42,449.36 = 13,298.98 : x
  2. Step 2: Convert to fraction form
    28,294.76/42,449.36 = 13,298.98/x
  3. Step 3: Cross multiply
    28,294.76x = 42,449.36 × 13,298.98
  4. Step 4: Simplify right side
    28,294.76x = 564,532,910.91
  5. Step 5: Solve for x
    x = 564,532,910.91/28,294.76
  6. Step 6: Final answer
    x = 19,951.85

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1.5x scale

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.