Home / 28,083.82-38,755.62-16,149.46

Finding the Fourth Proportional to 28,083.82, 38,755.62 and 16,149.46

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Solution

The fourth proportional to 28,083.82, 38,755.62 and 16,149.46 is: 22,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.82 : 38,755.62 = 16,149.46 : x
  2. Step 2: Convert to fraction form
    28,083.82/38,755.62 = 16,149.46/x
  3. Step 3: Cross multiply
    28,083.82x = 38,755.62 × 16,149.46
  4. Step 4: Simplify right side
    28,083.82x = 625,882,334.97
  5. Step 5: Solve for x
    x = 625,882,334.97/28,083.82
  6. Step 6: Final answer
    x = 22,286.23

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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.