Home / 28,250.24-42,382.20-8,527.61

Finding the Fourth Proportional to 28,250.24, 42,382.20 and 8,527.61

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Solution

The fourth proportional to 28,250.24, 42,382.20 and 8,527.61 is: 12,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.24 : 42,382.20 = 8,527.61 : x
  2. Step 2: Convert to fraction form
    28,250.24/42,382.20 = 8,527.61/x
  3. Step 3: Cross multiply
    28,250.24x = 42,382.20 × 8,527.61
  4. Step 4: Simplify right side
    28,250.24x = 361,419,010.48
  5. Step 5: Solve for x
    x = 361,419,010.48/28,250.24
  6. Step 6: Final answer
    x = 12,793.49

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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.