Home / 27,732.20-38,284.52-17,127.96

Finding the Fourth Proportional to 27,732.20, 38,284.52 and 17,127.96

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Solution

The fourth proportional to 27,732.20, 38,284.52 and 17,127.96 is: 23,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.20 : 38,284.52 = 17,127.96 : x
  2. Step 2: Convert to fraction form
    27,732.20/38,284.52 = 17,127.96/x
  3. Step 3: Cross multiply
    27,732.20x = 38,284.52 × 17,127.96
  4. Step 4: Simplify right side
    27,732.20x = 655,735,641.54
  5. Step 5: Solve for x
    x = 655,735,641.54/27,732.20
  6. Step 6: Final answer
    x = 23,645.28

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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.