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Finding the Fourth Proportional to 17.48, 26.04 and 17.40

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Solution

The fourth proportional to 17.48, 26.04 and 17.40 is: 25.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.48 : 26.04 = 17.40 : x
  2. Step 2: Convert to fraction form
    17.48/26.04 = 17.40/x
  3. Step 3: Cross multiply
    17.48x = 26.04 × 17.40
  4. Step 4: Simplify right side
    17.48x = 452.88
  5. Step 5: Solve for x
    x = 452.88/17.48
  6. Step 6: Final answer
    x = 25.91

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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.