Home / 27,902.62-38,505.80-15,966.25

Finding the Fourth Proportional to 27,902.62, 38,505.80 and 15,966.25

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Solution

The fourth proportional to 27,902.62, 38,505.80 and 15,966.25 is: 22,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.62 : 38,505.80 = 15,966.25 : x
  2. Step 2: Convert to fraction form
    27,902.62/38,505.80 = 15,966.25/x
  3. Step 3: Cross multiply
    27,902.62x = 38,505.80 × 15,966.25
  4. Step 4: Simplify right side
    27,902.62x = 614,793,229.25
  5. Step 5: Solve for x
    x = 614,793,229.25/27,902.62
  6. Step 6: Final answer
    x = 22,033.53

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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.