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Finding the Fourth Proportional to 26.63, 36.66 and 22.73

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Solution

The fourth proportional to 26.63, 36.66 and 22.73 is: 31.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.63 : 36.66 = 22.73 : x
  2. Step 2: Convert to fraction form
    26.63/36.66 = 22.73/x
  3. Step 3: Cross multiply
    26.63x = 36.66 × 22.73
  4. Step 4: Simplify right side
    26.63x = 833.28
  5. Step 5: Solve for x
    x = 833.28/26.63
  6. Step 6: Final answer
    x = 31.29

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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.