Home / 16,820.10-25,230.15-15,005.70

Finding the Fourth Proportional to 16,820.10, 25,230.15 and 15,005.70

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Solution

The fourth proportional to 16,820.10, 25,230.15 and 15,005.70 is: 22,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.10 : 25,230.15 = 15,005.70 : x
  2. Step 2: Convert to fraction form
    16,820.10/25,230.15 = 15,005.70/x
  3. Step 3: Cross multiply
    16,820.10x = 25,230.15 × 15,005.70
  4. Step 4: Simplify right side
    16,820.10x = 378,596,061.86
  5. Step 5: Solve for x
    x = 378,596,061.86/16,820.10
  6. Step 6: Final answer
    x = 22,508.55

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Similar ratio
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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.