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Finding the Fourth Proportional to 26.37, 36.18 and 25.92

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Solution

The fourth proportional to 26.37, 36.18 and 25.92 is: 35.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.37 : 36.18 = 25.92 : x
  2. Step 2: Convert to fraction form
    26.37/36.18 = 25.92/x
  3. Step 3: Cross multiply
    26.37x = 36.18 × 25.92
  4. Step 4: Simplify right side
    26.37x = 937.79
  5. Step 5: Solve for x
    x = 937.79/26.37
  6. Step 6: Final answer
    x = 35.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.