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Finding the Fourth Proportional to 26.49, 36.59 and 25.35

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Solution

The fourth proportional to 26.49, 36.59 and 25.35 is: 35.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.49 : 36.59 = 25.35 : x
  2. Step 2: Convert to fraction form
    26.49/36.59 = 25.35/x
  3. Step 3: Cross multiply
    26.49x = 36.59 × 25.35
  4. Step 4: Simplify right side
    26.49x = 927.56
  5. Step 5: Solve for x
    x = 927.56/26.49
  6. Step 6: Final answer
    x = 35.02

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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.