Home / 28,115.46-38,799.27-16,181.15

Finding the Fourth Proportional to 28,115.46, 38,799.27 and 16,181.15

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Solution

The fourth proportional to 28,115.46, 38,799.27 and 16,181.15 is: 22,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.46 : 38,799.27 = 16,181.15 : x
  2. Step 2: Convert to fraction form
    28,115.46/38,799.27 = 16,181.15/x
  3. Step 3: Cross multiply
    28,115.46x = 38,799.27 × 16,181.15
  4. Step 4: Simplify right side
    28,115.46x = 627,816,613.76
  5. Step 5: Solve for x
    x = 627,816,613.76/28,115.46
  6. Step 6: Final answer
    x = 22,329.94

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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.