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Finding the Fourth Proportional to 26.36, 36.42 and 26

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Solution

The fourth proportional to 26.36, 36.42 and 26 is: 35.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.36 : 36.42 = 26 : x
  2. Step 2: Convert to fraction form
    26.36/36.42 = 26/x
  3. Step 3: Cross multiply
    26.36x = 36.42 × 26
  4. Step 4: Simplify right side
    26.36x = 946.92
  5. Step 5: Solve for x
    x = 946.92/26.36
  6. Step 6: Final answer
    x = 35.92

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1.5x scale

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.