Home / 28,251.72-42,353.28-10,734.12

Finding the Fourth Proportional to 28,251.72, 42,353.28 and 10,734.12

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Solution

The fourth proportional to 28,251.72, 42,353.28 and 10,734.12 is: 16,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.72 : 42,353.28 = 10,734.12 : x
  2. Step 2: Convert to fraction form
    28,251.72/42,353.28 = 10,734.12/x
  3. Step 3: Cross multiply
    28,251.72x = 42,353.28 × 10,734.12
  4. Step 4: Simplify right side
    28,251.72x = 454,625,189.91
  5. Step 5: Solve for x
    x = 454,625,189.91/28,251.72
  6. Step 6: Final answer
    x = 16,091.95

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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.