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Finding the Fourth Proportional to 26.80, 40.28 and 24.10

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Solution

The fourth proportional to 26.80, 40.28 and 24.10 is: 36.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.80 : 40.28 = 24.10 : x
  2. Step 2: Convert to fraction form
    26.80/40.28 = 24.10/x
  3. Step 3: Cross multiply
    26.80x = 40.28 × 24.10
  4. Step 4: Simplify right side
    26.80x = 970.75
  5. Step 5: Solve for x
    x = 970.75/26.80
  6. Step 6: Final answer
    x = 36.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.