Home / 28,718.24-43,061.16-11,167.97

Finding the Fourth Proportional to 28,718.24, 43,061.16 and 11,167.97

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Solution

The fourth proportional to 28,718.24, 43,061.16 and 11,167.97 is: 16,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.24 : 43,061.16 = 11,167.97 : x
  2. Step 2: Convert to fraction form
    28,718.24/43,061.16 = 11,167.97/x
  3. Step 3: Cross multiply
    28,718.24x = 43,061.16 × 11,167.97
  4. Step 4: Simplify right side
    28,718.24x = 480,905,743.05
  5. Step 5: Solve for x
    x = 480,905,743.05/28,718.24
  6. Step 6: Final answer
    x = 16,745.66

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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.