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Finding the Fourth Proportional to 26.22, 39.30 and 24.66

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Solution

The fourth proportional to 26.22, 39.30 and 24.66 is: 36.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.22 : 39.30 = 24.66 : x
  2. Step 2: Convert to fraction form
    26.22/39.30 = 24.66/x
  3. Step 3: Cross multiply
    26.22x = 39.30 × 24.66
  4. Step 4: Simplify right side
    26.22x = 969.14
  5. Step 5: Solve for x
    x = 969.14/26.22
  6. Step 6: Final answer
    x = 36.96

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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.