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Finding the Fourth Proportional to 26.39, 36.36 and 22.69

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Solution

The fourth proportional to 26.39, 36.36 and 22.69 is: 31.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.39 : 36.36 = 22.69 : x
  2. Step 2: Convert to fraction form
    26.39/36.36 = 22.69/x
  3. Step 3: Cross multiply
    26.39x = 36.36 × 22.69
  4. Step 4: Simplify right side
    26.39x = 824.92
  5. Step 5: Solve for x
    x = 824.92/26.39
  6. Step 6: Final answer
    x = 31.26

Related Problems

Find fourth proportional to 13.19, 18.18 and 11.34
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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.