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Finding the Fourth Proportional to 27.32, 37.89 and 25.29

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Solution

The fourth proportional to 27.32, 37.89 and 25.29 is: 35.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.32 : 37.89 = 25.29 : x
  2. Step 2: Convert to fraction form
    27.32/37.89 = 25.29/x
  3. Step 3: Cross multiply
    27.32x = 37.89 × 25.29
  4. Step 4: Simplify right side
    27.32x = 958.24
  5. Step 5: Solve for x
    x = 958.24/27.32
  6. Step 6: Final answer
    x = 35.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.