Home / 28,229.68-42,344.88-10,694.80

Finding the Fourth Proportional to 28,229.68, 42,344.88 and 10,694.80

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Solution

The fourth proportional to 28,229.68, 42,344.88 and 10,694.80 is: 16,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.68 : 42,344.88 = 10,694.80 : x
  2. Step 2: Convert to fraction form
    28,229.68/42,344.88 = 10,694.80/x
  3. Step 3: Cross multiply
    28,229.68x = 42,344.88 × 10,694.80
  4. Step 4: Simplify right side
    28,229.68x = 452,870,022.62
  5. Step 5: Solve for x
    x = 452,870,022.62/28,229.68
  6. Step 6: Final answer
    x = 16,042.34

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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.