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Finding the Fourth Proportional to 26.33, 36.32 and 19.44

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Solution

The fourth proportional to 26.33, 36.32 and 19.44 is: 26.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.33 : 36.32 = 19.44 : x
  2. Step 2: Convert to fraction form
    26.33/36.32 = 19.44/x
  3. Step 3: Cross multiply
    26.33x = 36.32 × 19.44
  4. Step 4: Simplify right side
    26.33x = 705.96
  5. Step 5: Solve for x
    x = 705.96/26.33
  6. Step 6: Final answer
    x = 26.82

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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.