Home / 22,020.80-33,034.40-7,227.20

Finding the Fourth Proportional to 22,020.80, 33,034.40 and 7,227.20

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Solution

The fourth proportional to 22,020.80, 33,034.40 and 7,227.20 is: 10,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.80 : 33,034.40 = 7,227.20 : x
  2. Step 2: Convert to fraction form
    22,020.80/33,034.40 = 7,227.20/x
  3. Step 3: Cross multiply
    22,020.80x = 33,034.40 × 7,227.20
  4. Step 4: Simplify right side
    22,020.80x = 238,746,215.68
  5. Step 5: Solve for x
    x = 238,746,215.68/22,020.80
  6. Step 6: Final answer
    x = 10,841.85

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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.