Home / 38,285.32-57,427.98-11,992.12

Finding the Fourth Proportional to 38,285.32, 57,427.98 and 11,992.12

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Solution

The fourth proportional to 38,285.32, 57,427.98 and 11,992.12 is: 17,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.32 : 57,427.98 = 11,992.12 : x
  2. Step 2: Convert to fraction form
    38,285.32/57,427.98 = 11,992.12/x
  3. Step 3: Cross multiply
    38,285.32x = 57,427.98 × 11,992.12
  4. Step 4: Simplify right side
    38,285.32x = 688,683,227.52
  5. Step 5: Solve for x
    x = 688,683,227.52/38,285.32
  6. Step 6: Final answer
    x = 17,988.18

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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.