Home / 28,375.30-39,151.92-16,437.93

Finding the Fourth Proportional to 28,375.30, 39,151.92 and 16,437.93

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Solution

The fourth proportional to 28,375.30, 39,151.92 and 16,437.93 is: 22,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.30 : 39,151.92 = 16,437.93 : x
  2. Step 2: Convert to fraction form
    28,375.30/39,151.92 = 16,437.93/x
  3. Step 3: Cross multiply
    28,375.30x = 39,151.92 × 16,437.93
  4. Step 4: Simplify right side
    28,375.30x = 643,576,520.33
  5. Step 5: Solve for x
    x = 643,576,520.33/28,375.30
  6. Step 6: Final answer
    x = 22,680.87

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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.