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Finding the Fourth Proportional to 26.41, 39.38 and 22.63

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Solution

The fourth proportional to 26.41, 39.38 and 22.63 is: 33.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.41 : 39.38 = 22.63 : x
  2. Step 2: Convert to fraction form
    26.41/39.38 = 22.63/x
  3. Step 3: Cross multiply
    26.41x = 39.38 × 22.63
  4. Step 4: Simplify right side
    26.41x = 890.92
  5. Step 5: Solve for x
    x = 890.92/26.41
  6. Step 6: Final answer
    x = 33.74

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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.