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Finding the Fourth Proportional to 26.63, 39.91 and 23.01

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Solution

The fourth proportional to 26.63, 39.91 and 23.01 is: 34.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.63 : 39.91 = 23.01 : x
  2. Step 2: Convert to fraction form
    26.63/39.91 = 23.01/x
  3. Step 3: Cross multiply
    26.63x = 39.91 × 23.01
  4. Step 4: Simplify right side
    26.63x = 918.33
  5. Step 5: Solve for x
    x = 918.33/26.63
  6. Step 6: Final answer
    x = 34.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.