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Finding the Fourth Proportional to 27.91, 41.82 and 24.67

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Solution

The fourth proportional to 27.91, 41.82 and 24.67 is: 36.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.91 : 41.82 = 24.67 : x
  2. Step 2: Convert to fraction form
    27.91/41.82 = 24.67/x
  3. Step 3: Cross multiply
    27.91x = 41.82 × 24.67
  4. Step 4: Simplify right side
    27.91x = 1,031.70
  5. Step 5: Solve for x
    x = 1,031.70/27.91
  6. Step 6: Final answer
    x = 36.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.