Home / 22,729.14-31,375.92-15,281.46

Finding the Fourth Proportional to 22,729.14, 31,375.92 and 15,281.46

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Solution

The fourth proportional to 22,729.14, 31,375.92 and 15,281.46 is: 21,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.14 : 31,375.92 = 15,281.46 : x
  2. Step 2: Convert to fraction form
    22,729.14/31,375.92 = 15,281.46/x
  3. Step 3: Cross multiply
    22,729.14x = 31,375.92 × 15,281.46
  4. Step 4: Simplify right side
    22,729.14x = 479,469,866.44
  5. Step 5: Solve for x
    x = 479,469,866.44/22,729.14
  6. Step 6: Final answer
    x = 21,094.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.