Home / 20,028.85-30,044.82-5,987.90

Finding the Fourth Proportional to 20,028.85, 30,044.82 and 5,987.90

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Solution

The fourth proportional to 20,028.85, 30,044.82 and 5,987.90 is: 8,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.85 : 30,044.82 = 5,987.90 : x
  2. Step 2: Convert to fraction form
    20,028.85/30,044.82 = 5,987.90/x
  3. Step 3: Cross multiply
    20,028.85x = 30,044.82 × 5,987.90
  4. Step 4: Simplify right side
    20,028.85x = 179,905,377.68
  5. Step 5: Solve for x
    x = 179,905,377.68/20,028.85
  6. Step 6: Final answer
    x = 8,982.31

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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.