Home / 26,872.92-37,081.68-15,540.70

Finding the Fourth Proportional to 26,872.92, 37,081.68 and 15,540.70

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Solution

The fourth proportional to 26,872.92, 37,081.68 and 15,540.70 is: 21,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.92 : 37,081.68 = 15,540.70 : x
  2. Step 2: Convert to fraction form
    26,872.92/37,081.68 = 15,540.70/x
  3. Step 3: Cross multiply
    26,872.92x = 37,081.68 × 15,540.70
  4. Step 4: Simplify right side
    26,872.92x = 576,275,264.38
  5. Step 5: Solve for x
    x = 576,275,264.38/26,872.92
  6. Step 6: Final answer
    x = 21,444.46

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Double scale
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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.