Home / 27,743.52-38,286.09-15,168.27

Finding the Fourth Proportional to 27,743.52, 38,286.09 and 15,168.27

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Solution

The fourth proportional to 27,743.52, 38,286.09 and 15,168.27 is: 20,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.52 : 38,286.09 = 15,168.27 : x
  2. Step 2: Convert to fraction form
    27,743.52/38,286.09 = 15,168.27/x
  3. Step 3: Cross multiply
    27,743.52x = 38,286.09 × 15,168.27
  4. Step 4: Simplify right side
    27,743.52x = 580,733,750.36
  5. Step 5: Solve for x
    x = 580,733,750.36/27,743.52
  6. Step 6: Final answer
    x = 20,932.23

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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.