Home / 28,350.76-39,121.75-16,414.85

Finding the Fourth Proportional to 28,350.76, 39,121.75 and 16,414.85

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Solution

The fourth proportional to 28,350.76, 39,121.75 and 16,414.85 is: 22,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.76 : 39,121.75 = 16,414.85 : x
  2. Step 2: Convert to fraction form
    28,350.76/39,121.75 = 16,414.85/x
  3. Step 3: Cross multiply
    28,350.76x = 39,121.75 × 16,414.85
  4. Step 4: Simplify right side
    28,350.76x = 642,177,657.99
  5. Step 5: Solve for x
    x = 642,177,657.99/28,350.76
  6. Step 6: Final answer
    x = 22,651.16

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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.