Home / 28,500.73-39,331.05-17,170.71

Finding the Fourth Proportional to 28,500.73, 39,331.05 and 17,170.71

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Solution

The fourth proportional to 28,500.73, 39,331.05 and 17,170.71 is: 23,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.73 : 39,331.05 = 17,170.71 : x
  2. Step 2: Convert to fraction form
    28,500.73/39,331.05 = 17,170.71/x
  3. Step 3: Cross multiply
    28,500.73x = 39,331.05 × 17,170.71
  4. Step 4: Simplify right side
    28,500.73x = 675,342,053.55
  5. Step 5: Solve for x
    x = 675,342,053.55/28,500.73
  6. Step 6: Final answer
    x = 23,695.61

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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.