Home / 19,729.68-27,227.19-10,777.26

Finding the Fourth Proportional to 19,729.68, 27,227.19 and 10,777.26

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Solution

The fourth proportional to 19,729.68, 27,227.19 and 10,777.26 is: 14,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.68 : 27,227.19 = 10,777.26 : x
  2. Step 2: Convert to fraction form
    19,729.68/27,227.19 = 10,777.26/x
  3. Step 3: Cross multiply
    19,729.68x = 27,227.19 × 10,777.26
  4. Step 4: Simplify right side
    19,729.68x = 293,434,505.70
  5. Step 5: Solve for x
    x = 293,434,505.70/19,729.68
  6. Step 6: Final answer
    x = 14,872.75

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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.