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Finding the Fourth Proportional to 36.25, 50.04 and 25.89

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Solution

The fourth proportional to 36.25, 50.04 and 25.89 is: 35.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.25 : 50.04 = 25.89 : x
  2. Step 2: Convert to fraction form
    36.25/50.04 = 25.89/x
  3. Step 3: Cross multiply
    36.25x = 50.04 × 25.89
  4. Step 4: Simplify right side
    36.25x = 1,295.54
  5. Step 5: Solve for x
    x = 1,295.54/36.25
  6. Step 6: Final answer
    x = 35.74

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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.