Home / 27,961.66-38,587.17-15,214.96

Finding the Fourth Proportional to 27,961.66, 38,587.17 and 15,214.96

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Solution

The fourth proportional to 27,961.66, 38,587.17 and 15,214.96 is: 20,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.66 : 38,587.17 = 15,214.96 : x
  2. Step 2: Convert to fraction form
    27,961.66/38,587.17 = 15,214.96/x
  3. Step 3: Cross multiply
    27,961.66x = 38,587.17 × 15,214.96
  4. Step 4: Simplify right side
    27,961.66x = 587,102,248.06
  5. Step 5: Solve for x
    x = 587,102,248.06/27,961.66
  6. Step 6: Final answer
    x = 20,996.69

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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.