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Finding the Fourth Proportional to 17.43, 25.94 and 16.68

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Solution

The fourth proportional to 17.43, 25.94 and 16.68 is: 24.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 25.94 = 16.68 : x
  2. Step 2: Convert to fraction form
    17.43/25.94 = 16.68/x
  3. Step 3: Cross multiply
    17.43x = 25.94 × 16.68
  4. Step 4: Simplify right side
    17.43x = 432.68
  5. Step 5: Solve for x
    x = 432.68/17.43
  6. Step 6: Final answer
    x = 24.82

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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.