Home / 38,015.84-57,023.76-10,313.12

Finding the Fourth Proportional to 38,015.84, 57,023.76 and 10,313.12

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Solution

The fourth proportional to 38,015.84, 57,023.76 and 10,313.12 is: 15,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.84 : 57,023.76 = 10,313.12 : x
  2. Step 2: Convert to fraction form
    38,015.84/57,023.76 = 10,313.12/x
  3. Step 3: Cross multiply
    38,015.84x = 57,023.76 × 10,313.12
  4. Step 4: Simplify right side
    38,015.84x = 588,092,879.73
  5. Step 5: Solve for x
    x = 588,092,879.73/38,015.84
  6. Step 6: Final answer
    x = 15,469.68

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.