Home / 38,330.11-57,502.14-15,840.85

Finding the Fourth Proportional to 38,330.11, 57,502.14 and 15,840.85

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Solution

The fourth proportional to 38,330.11, 57,502.14 and 15,840.85 is: 23,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.11 : 57,502.14 = 15,840.85 : x
  2. Step 2: Convert to fraction form
    38,330.11/57,502.14 = 15,840.85/x
  3. Step 3: Cross multiply
    38,330.11x = 57,502.14 × 15,840.85
  4. Step 4: Simplify right side
    38,330.11x = 910,882,774.42
  5. Step 5: Solve for x
    x = 910,882,774.42/38,330.11
  6. Step 6: Final answer
    x = 23,764.16

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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.