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Finding the Fourth Proportional to 26.26, 39.12 and 23.96

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Solution

The fourth proportional to 26.26, 39.12 and 23.96 is: 35.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.26 : 39.12 = 23.96 : x
  2. Step 2: Convert to fraction form
    26.26/39.12 = 23.96/x
  3. Step 3: Cross multiply
    26.26x = 39.12 × 23.96
  4. Step 4: Simplify right side
    26.26x = 937.32
  5. Step 5: Solve for x
    x = 937.32/26.26
  6. Step 6: Final answer
    x = 35.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.