Home / 19,076.10-28,614.15-18,000.90

Finding the Fourth Proportional to 19,076.10, 28,614.15 and 18,000.90

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Solution

The fourth proportional to 19,076.10, 28,614.15 and 18,000.90 is: 27,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.10 : 28,614.15 = 18,000.90 : x
  2. Step 2: Convert to fraction form
    19,076.10/28,614.15 = 18,000.90/x
  3. Step 3: Cross multiply
    19,076.10x = 28,614.15 × 18,000.90
  4. Step 4: Simplify right side
    19,076.10x = 515,080,452.74
  5. Step 5: Solve for x
    x = 515,080,452.74/19,076.10
  6. Step 6: Final answer
    x = 27,001.35

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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.