Home / 20,733.44-31,107.56-8,882.24

Finding the Fourth Proportional to 20,733.44, 31,107.56 and 8,882.24

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Solution

The fourth proportional to 20,733.44, 31,107.56 and 8,882.24 is: 13,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.44 : 31,107.56 = 8,882.24 : x
  2. Step 2: Convert to fraction form
    20,733.44/31,107.56 = 8,882.24/x
  3. Step 3: Cross multiply
    20,733.44x = 31,107.56 × 8,882.24
  4. Step 4: Simplify right side
    20,733.44x = 276,304,813.73
  5. Step 5: Solve for x
    x = 276,304,813.73/20,733.44
  6. Step 6: Final answer
    x = 13,326.53

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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.