Home / 28,227.86-42,367.17-15,091.46

Finding the Fourth Proportional to 28,227.86, 42,367.17 and 15,091.46

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Solution

The fourth proportional to 28,227.86, 42,367.17 and 15,091.46 is: 22,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.86 : 42,367.17 = 15,091.46 : x
  2. Step 2: Convert to fraction form
    28,227.86/42,367.17 = 15,091.46/x
  3. Step 3: Cross multiply
    28,227.86x = 42,367.17 × 15,091.46
  4. Step 4: Simplify right side
    28,227.86x = 639,382,239.53
  5. Step 5: Solve for x
    x = 639,382,239.53/28,227.86
  6. Step 6: Final answer
    x = 22,650.76

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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.