Home / 28,334.27-42,452.16-19,882.86

Finding the Fourth Proportional to 28,334.27, 42,452.16 and 19,882.86

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Solution

The fourth proportional to 28,334.27, 42,452.16 and 19,882.86 is: 29,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.27 : 42,452.16 = 19,882.86 : x
  2. Step 2: Convert to fraction form
    28,334.27/42,452.16 = 19,882.86/x
  3. Step 3: Cross multiply
    28,334.27x = 42,452.16 × 19,882.86
  4. Step 4: Simplify right side
    28,334.27x = 844,070,353.98
  5. Step 5: Solve for x
    x = 844,070,353.98/28,334.27
  6. Step 6: Final answer
    x = 29,789.74

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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.