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Finding the Fourth Proportional to 26.94, 37.11 and 22.83

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Solution

The fourth proportional to 26.94, 37.11 and 22.83 is: 31.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.94 : 37.11 = 22.83 : x
  2. Step 2: Convert to fraction form
    26.94/37.11 = 22.83/x
  3. Step 3: Cross multiply
    26.94x = 37.11 × 22.83
  4. Step 4: Simplify right side
    26.94x = 847.22
  5. Step 5: Solve for x
    x = 847.22/26.94
  6. Step 6: Final answer
    x = 31.45

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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.