Home / 38,516.08-57,750-15,115.36

Finding the Fourth Proportional to 38,516.08, 57,750 and 15,115.36

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Solution

The fourth proportional to 38,516.08, 57,750 and 15,115.36 is: 22,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.08 : 57,750 = 15,115.36 : x
  2. Step 2: Convert to fraction form
    38,516.08/57,750 = 15,115.36/x
  3. Step 3: Cross multiply
    38,516.08x = 57,750 × 15,115.36
  4. Step 4: Simplify right side
    38,516.08x = 872,912,040
  5. Step 5: Solve for x
    x = 872,912,040/38,516.08
  6. Step 6: Final answer
    x = 22,663.57

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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.