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Finding the Fourth Proportional to 38.41, 52.97 and 26.11

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Solution

The fourth proportional to 38.41, 52.97 and 26.11 is: 36.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.41 : 52.97 = 26.11 : x
  2. Step 2: Convert to fraction form
    38.41/52.97 = 26.11/x
  3. Step 3: Cross multiply
    38.41x = 52.97 × 26.11
  4. Step 4: Simplify right side
    38.41x = 1,383.05
  5. Step 5: Solve for x
    x = 1,383.05/38.41
  6. Step 6: Final answer
    x = 36.01

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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.