Home / 28,150.38-38,846.97-15,575.13

Finding the Fourth Proportional to 28,150.38, 38,846.97 and 15,575.13

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Solution

The fourth proportional to 28,150.38, 38,846.97 and 15,575.13 is: 21,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.38 : 38,846.97 = 15,575.13 : x
  2. Step 2: Convert to fraction form
    28,150.38/38,846.97 = 15,575.13/x
  3. Step 3: Cross multiply
    28,150.38x = 38,846.97 × 15,575.13
  4. Step 4: Simplify right side
    28,150.38x = 605,046,607.86
  5. Step 5: Solve for x
    x = 605,046,607.86/28,150.38
  6. Step 6: Final answer
    x = 21,493.37

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Half scale
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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.