Home / 31,434.06-43,379.31-17,287

Finding the Fourth Proportional to 31,434.06, 43,379.31 and 17,287

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Solution

The fourth proportional to 31,434.06, 43,379.31 and 17,287 is: 23,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.06 : 43,379.31 = 17,287 : x
  2. Step 2: Convert to fraction form
    31,434.06/43,379.31 = 17,287/x
  3. Step 3: Cross multiply
    31,434.06x = 43,379.31 × 17,287
  4. Step 4: Simplify right side
    31,434.06x = 749,898,131.97
  5. Step 5: Solve for x
    x = 749,898,131.97/31,434.06
  6. Step 6: Final answer
    x = 23,856.23

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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.