Home / 20,227.97-30,342.38-5,235.41

Finding the Fourth Proportional to 20,227.97, 30,342.38 and 5,235.41

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Solution

The fourth proportional to 20,227.97, 30,342.38 and 5,235.41 is: 7,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.97 : 30,342.38 = 5,235.41 : x
  2. Step 2: Convert to fraction form
    20,227.97/30,342.38 = 5,235.41/x
  3. Step 3: Cross multiply
    20,227.97x = 30,342.38 × 5,235.41
  4. Step 4: Simplify right side
    20,227.97x = 158,854,799.68
  5. Step 5: Solve for x
    x = 158,854,799.68/20,227.97
  6. Step 6: Final answer
    x = 7,853.22

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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.