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Finding the Fourth Proportional to 25.26, 34.83 and 17.06

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Solution

The fourth proportional to 25.26, 34.83 and 17.06 is: 23.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.26 : 34.83 = 17.06 : x
  2. Step 2: Convert to fraction form
    25.26/34.83 = 17.06/x
  3. Step 3: Cross multiply
    25.26x = 34.83 × 17.06
  4. Step 4: Simplify right side
    25.26x = 594.20
  5. Step 5: Solve for x
    x = 594.20/25.26
  6. Step 6: Final answer
    x = 23.52

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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.