Home / 22,462.40-33,693.60-20,772.80

Finding the Fourth Proportional to 22,462.40, 33,693.60 and 20,772.80

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Solution

The fourth proportional to 22,462.40, 33,693.60 and 20,772.80 is: 31,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.40 : 33,693.60 = 20,772.80 : x
  2. Step 2: Convert to fraction form
    22,462.40/33,693.60 = 20,772.80/x
  3. Step 3: Cross multiply
    22,462.40x = 33,693.60 × 20,772.80
  4. Step 4: Simplify right side
    22,462.40x = 699,910,414.08
  5. Step 5: Solve for x
    x = 699,910,414.08/22,462.40
  6. Step 6: Final answer
    x = 31,159.20

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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.