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Finding the Fourth Proportional to 17.63, 26.37 and 15.74

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Solution

The fourth proportional to 17.63, 26.37 and 15.74 is: 23.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.63 : 26.37 = 15.74 : x
  2. Step 2: Convert to fraction form
    17.63/26.37 = 15.74/x
  3. Step 3: Cross multiply
    17.63x = 26.37 × 15.74
  4. Step 4: Simplify right side
    17.63x = 415.06
  5. Step 5: Solve for x
    x = 415.06/17.63
  6. Step 6: Final answer
    x = 23.54

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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.