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Finding the Fourth Proportional to 24.11, 33.28 and 15.37

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Solution

The fourth proportional to 24.11, 33.28 and 15.37 is: 21.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.11 : 33.28 = 15.37 : x
  2. Step 2: Convert to fraction form
    24.11/33.28 = 15.37/x
  3. Step 3: Cross multiply
    24.11x = 33.28 × 15.37
  4. Step 4: Simplify right side
    24.11x = 511.51
  5. Step 5: Solve for x
    x = 511.51/24.11
  6. Step 6: Final answer
    x = 21.22

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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.