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Finding the Fourth Proportional to 26.31, 36.29 and 17.10

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Solution

The fourth proportional to 26.31, 36.29 and 17.10 is: 23.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.31 : 36.29 = 17.10 : x
  2. Step 2: Convert to fraction form
    26.31/36.29 = 17.10/x
  3. Step 3: Cross multiply
    26.31x = 36.29 × 17.10
  4. Step 4: Simplify right side
    26.31x = 620.47
  5. Step 5: Solve for x
    x = 620.47/26.31
  6. Step 6: Final answer
    x = 23.58

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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.