Home / 25.32-38.17-22.35

Finding the Fourth Proportional to 25.32, 38.17 and 22.35

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Solution

The fourth proportional to 25.32, 38.17 and 22.35 is: 33.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.32 : 38.17 = 22.35 : x
  2. Step 2: Convert to fraction form
    25.32/38.17 = 22.35/x
  3. Step 3: Cross multiply
    25.32x = 38.17 × 22.35
  4. Step 4: Simplify right side
    25.32x = 853.10
  5. Step 5: Solve for x
    x = 853.10/25.32
  6. Step 6: Final answer
    x = 33.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.