Home / 27,857.74-38,442.99-15,592.97

Finding the Fourth Proportional to 27,857.74, 38,442.99 and 15,592.97

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Solution

The fourth proportional to 27,857.74, 38,442.99 and 15,592.97 is: 21,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857.74 : 38,442.99 = 15,592.97 : x
  2. Step 2: Convert to fraction form
    27,857.74/38,442.99 = 15,592.97/x
  3. Step 3: Cross multiply
    27,857.74x = 38,442.99 × 15,592.97
  4. Step 4: Simplify right side
    27,857.74x = 599,440,456.65
  5. Step 5: Solve for x
    x = 599,440,456.65/27,857.74
  6. Step 6: Final answer
    x = 21,517.91

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Double scale
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Similar ratio
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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.