Home / 26.47-39.75-17.36

Finding the Fourth Proportional to 26.47, 39.75 and 17.36

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Solution

The fourth proportional to 26.47, 39.75 and 17.36 is: 26.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.47 : 39.75 = 17.36 : x
  2. Step 2: Convert to fraction form
    26.47/39.75 = 17.36/x
  3. Step 3: Cross multiply
    26.47x = 39.75 × 17.36
  4. Step 4: Simplify right side
    26.47x = 689.95
  5. Step 5: Solve for x
    x = 689.95/26.47
  6. Step 6: Final answer
    x = 26.06

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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.