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Finding the Fourth Proportional to 25.55, 38.12 and 24.94

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Solution

The fourth proportional to 25.55, 38.12 and 24.94 is: 37.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.55 : 38.12 = 24.94 : x
  2. Step 2: Convert to fraction form
    25.55/38.12 = 24.94/x
  3. Step 3: Cross multiply
    25.55x = 38.12 × 24.94
  4. Step 4: Simplify right side
    25.55x = 950.71
  5. Step 5: Solve for x
    x = 950.71/25.55
  6. Step 6: Final answer
    x = 37.21

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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.