Home / 27,691.44-38,217.81-15,752.46

Finding the Fourth Proportional to 27,691.44, 38,217.81 and 15,752.46

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Solution

The fourth proportional to 27,691.44, 38,217.81 and 15,752.46 is: 21,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.44 : 38,217.81 = 15,752.46 : x
  2. Step 2: Convert to fraction form
    27,691.44/38,217.81 = 15,752.46/x
  3. Step 3: Cross multiply
    27,691.44x = 38,217.81 × 15,752.46
  4. Step 4: Simplify right side
    27,691.44x = 602,024,523.31
  5. Step 5: Solve for x
    x = 602,024,523.31/27,691.44
  6. Step 6: Final answer
    x = 21,740.46

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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.