Home / 27,613.24-38,107.62-15,676.36

Finding the Fourth Proportional to 27,613.24, 38,107.62 and 15,676.36

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Solution

The fourth proportional to 27,613.24, 38,107.62 and 15,676.36 is: 21,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.24 : 38,107.62 = 15,676.36 : x
  2. Step 2: Convert to fraction form
    27,613.24/38,107.62 = 15,676.36/x
  3. Step 3: Cross multiply
    27,613.24x = 38,107.62 × 15,676.36
  4. Step 4: Simplify right side
    27,613.24x = 597,388,769.86
  5. Step 5: Solve for x
    x = 597,388,769.86/27,613.24
  6. Step 6: Final answer
    x = 21,634.14

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Double scale
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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.