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Finding the Fourth Proportional to 24.69, 37.01 and 19.28

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Solution

The fourth proportional to 24.69, 37.01 and 19.28 is: 28.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.69 : 37.01 = 19.28 : x
  2. Step 2: Convert to fraction form
    24.69/37.01 = 19.28/x
  3. Step 3: Cross multiply
    24.69x = 37.01 × 19.28
  4. Step 4: Simplify right side
    24.69x = 713.55
  5. Step 5: Solve for x
    x = 713.55/24.69
  6. Step 6: Final answer
    x = 28.90

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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.