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Finding the Fourth Proportional to 35.35, 48.67 and 26.13

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Solution

The fourth proportional to 35.35, 48.67 and 26.13 is: 35.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.35 : 48.67 = 26.13 : x
  2. Step 2: Convert to fraction form
    35.35/48.67 = 26.13/x
  3. Step 3: Cross multiply
    35.35x = 48.67 × 26.13
  4. Step 4: Simplify right side
    35.35x = 1,271.70
  5. Step 5: Solve for x
    x = 1,271.70/35.35
  6. Step 6: Final answer
    x = 35.97

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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.