Home / 27,668.97-38,183.13-15,093.72

Finding the Fourth Proportional to 27,668.97, 38,183.13 and 15,093.72

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Solution

The fourth proportional to 27,668.97, 38,183.13 and 15,093.72 is: 20,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.97 : 38,183.13 = 15,093.72 : x
  2. Step 2: Convert to fraction form
    27,668.97/38,183.13 = 15,093.72/x
  3. Step 3: Cross multiply
    27,668.97x = 38,183.13 × 15,093.72
  4. Step 4: Simplify right side
    27,668.97x = 576,325,472.94
  5. Step 5: Solve for x
    x = 576,325,472.94/27,668.97
  6. Step 6: Final answer
    x = 20,829.31

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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.