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Finding the Fourth Proportional to 25.26, 37.74 and 24.18

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Solution

The fourth proportional to 25.26, 37.74 and 24.18 is: 36.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.26 : 37.74 = 24.18 : x
  2. Step 2: Convert to fraction form
    25.26/37.74 = 24.18/x
  3. Step 3: Cross multiply
    25.26x = 37.74 × 24.18
  4. Step 4: Simplify right side
    25.26x = 912.55
  5. Step 5: Solve for x
    x = 912.55/25.26
  6. Step 6: Final answer
    x = 36.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.