Home / 27,743.50-38,286.03-15,168.25

Finding the Fourth Proportional to 27,743.50, 38,286.03 and 15,168.25

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Solution

The fourth proportional to 27,743.50, 38,286.03 and 15,168.25 is: 20,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.50 : 38,286.03 = 15,168.25 : x
  2. Step 2: Convert to fraction form
    27,743.50/38,286.03 = 15,168.25/x
  3. Step 3: Cross multiply
    27,743.50x = 38,286.03 × 15,168.25
  4. Step 4: Simplify right side
    27,743.50x = 580,732,074.55
  5. Step 5: Solve for x
    x = 580,732,074.55/27,743.50
  6. Step 6: Final answer
    x = 20,932.19

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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.