Home / 22,231.20-33,327.60-13,456.80

Finding the Fourth Proportional to 22,231.20, 33,327.60 and 13,456.80

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Solution

The fourth proportional to 22,231.20, 33,327.60 and 13,456.80 is: 20,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.20 : 33,327.60 = 13,456.80 : x
  2. Step 2: Convert to fraction form
    22,231.20/33,327.60 = 13,456.80/x
  3. Step 3: Cross multiply
    22,231.20x = 33,327.60 × 13,456.80
  4. Step 4: Simplify right side
    22,231.20x = 448,482,847.68
  5. Step 5: Solve for x
    x = 448,482,847.68/22,231.20
  6. Step 6: Final answer
    x = 20,173.58

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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.