Home / 28,046.73-38,704.92-15,471.48

Finding the Fourth Proportional to 28,046.73, 38,704.92 and 15,471.48

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Solution

The fourth proportional to 28,046.73, 38,704.92 and 15,471.48 is: 21,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.73 : 38,704.92 = 15,471.48 : x
  2. Step 2: Convert to fraction form
    28,046.73/38,704.92 = 15,471.48/x
  3. Step 3: Cross multiply
    28,046.73x = 38,704.92 × 15,471.48
  4. Step 4: Simplify right side
    28,046.73x = 598,822,395.68
  5. Step 5: Solve for x
    x = 598,822,395.68/28,046.73
  6. Step 6: Final answer
    x = 21,350.88

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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.