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Finding the Fourth Proportional to 25.17, 34.75 and 24.72

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Solution

The fourth proportional to 25.17, 34.75 and 24.72 is: 34.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.17 : 34.75 = 24.72 : x
  2. Step 2: Convert to fraction form
    25.17/34.75 = 24.72/x
  3. Step 3: Cross multiply
    25.17x = 34.75 × 24.72
  4. Step 4: Simplify right side
    25.17x = 859.02
  5. Step 5: Solve for x
    x = 859.02/25.17
  6. Step 6: Final answer
    x = 34.13

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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.