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Finding the Fourth Proportional to 38.93, 58.41 and 26.08

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Solution

The fourth proportional to 38.93, 58.41 and 26.08 is: 39.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.93 : 58.41 = 26.08 : x
  2. Step 2: Convert to fraction form
    38.93/58.41 = 26.08/x
  3. Step 3: Cross multiply
    38.93x = 58.41 × 26.08
  4. Step 4: Simplify right side
    38.93x = 1,523.19
  5. Step 5: Solve for x
    x = 1,523.19/38.93
  6. Step 6: Final answer
    x = 39.13

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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.