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Finding the Fourth Proportional to 20.00, 27.62 and 19.23

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Solution

The fourth proportional to 20.00, 27.62 and 19.23 is: 26.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.00 : 27.62 = 19.23 : x
  2. Step 2: Convert to fraction form
    20.00/27.62 = 19.23/x
  3. Step 3: Cross multiply
    20.00x = 27.62 × 19.23
  4. Step 4: Simplify right side
    20.00x = 531.04
  5. Step 5: Solve for x
    x = 531.04/20.00
  6. Step 6: Final answer
    x = 26.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.