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Finding the Fourth Proportional to 27.73, 38.44 and 26.49

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Solution

The fourth proportional to 27.73, 38.44 and 26.49 is: 36.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.73 : 38.44 = 26.49 : x
  2. Step 2: Convert to fraction form
    27.73/38.44 = 26.49/x
  3. Step 3: Cross multiply
    27.73x = 38.44 × 26.49
  4. Step 4: Simplify right side
    27.73x = 1,018.18
  5. Step 5: Solve for x
    x = 1,018.18/27.73
  6. Step 6: Final answer
    x = 36.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.