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Finding the Fourth Proportional to 24.96, 34.46 and 15.26

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Solution

The fourth proportional to 24.96, 34.46 and 15.26 is: 21.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.96 : 34.46 = 15.26 : x
  2. Step 2: Convert to fraction form
    24.96/34.46 = 15.26/x
  3. Step 3: Cross multiply
    24.96x = 34.46 × 15.26
  4. Step 4: Simplify right side
    24.96x = 525.87
  5. Step 5: Solve for x
    x = 525.87/24.96
  6. Step 6: Final answer
    x = 21.07

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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.