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Finding the Fourth Proportional to 27.98, 41.96 and 23.66

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Solution

The fourth proportional to 27.98, 41.96 and 23.66 is: 35.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.98 : 41.96 = 23.66 : x
  2. Step 2: Convert to fraction form
    27.98/41.96 = 23.66/x
  3. Step 3: Cross multiply
    27.98x = 41.96 × 23.66
  4. Step 4: Simplify right side
    27.98x = 992.45
  5. Step 5: Solve for x
    x = 992.45/27.98
  6. Step 6: Final answer
    x = 35.48

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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.