Home / 27,694.52-38,220.66-15,761.48

Finding the Fourth Proportional to 27,694.52, 38,220.66 and 15,761.48

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Solution

The fourth proportional to 27,694.52, 38,220.66 and 15,761.48 is: 21,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.52 : 38,220.66 = 15,761.48 : x
  2. Step 2: Convert to fraction form
    27,694.52/38,220.66 = 15,761.48/x
  3. Step 3: Cross multiply
    27,694.52x = 38,220.66 × 15,761.48
  4. Step 4: Simplify right side
    27,694.52x = 602,414,168.18
  5. Step 5: Solve for x
    x = 602,414,168.18/27,694.52
  6. Step 6: Final answer
    x = 21,752.11

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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.