Home / 28,508.13-42,754.71-8,512.92

Finding the Fourth Proportional to 28,508.13, 42,754.71 and 8,512.92

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Solution

The fourth proportional to 28,508.13, 42,754.71 and 8,512.92 is: 12,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.13 : 42,754.71 = 8,512.92 : x
  2. Step 2: Convert to fraction form
    28,508.13/42,754.71 = 8,512.92/x
  3. Step 3: Cross multiply
    28,508.13x = 42,754.71 × 8,512.92
  4. Step 4: Simplify right side
    28,508.13x = 363,967,425.85
  5. Step 5: Solve for x
    x = 363,967,425.85/28,508.13
  6. Step 6: Final answer
    x = 12,767.14

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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.