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Finding the Fourth Proportional to 27.59, 38.02 and 26.07

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Solution

The fourth proportional to 27.59, 38.02 and 26.07 is: 35.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.59 : 38.02 = 26.07 : x
  2. Step 2: Convert to fraction form
    27.59/38.02 = 26.07/x
  3. Step 3: Cross multiply
    27.59x = 38.02 × 26.07
  4. Step 4: Simplify right side
    27.59x = 991.18
  5. Step 5: Solve for x
    x = 991.18/27.59
  6. Step 6: Final answer
    x = 35.93

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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.