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Finding the Fourth Proportional to 25.11, 37.72 and 23.44

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Solution

The fourth proportional to 25.11, 37.72 and 23.44 is: 35.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.11 : 37.72 = 23.44 : x
  2. Step 2: Convert to fraction form
    25.11/37.72 = 23.44/x
  3. Step 3: Cross multiply
    25.11x = 37.72 × 23.44
  4. Step 4: Simplify right side
    25.11x = 884.16
  5. Step 5: Solve for x
    x = 884.16/25.11
  6. Step 6: Final answer
    x = 35.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.