Home / 28,009.38-41,993.17-12,211.41

Finding the Fourth Proportional to 28,009.38, 41,993.17 and 12,211.41

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Solution

The fourth proportional to 28,009.38, 41,993.17 and 12,211.41 is: 18,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.38 : 41,993.17 = 12,211.41 : x
  2. Step 2: Convert to fraction form
    28,009.38/41,993.17 = 12,211.41/x
  3. Step 3: Cross multiply
    28,009.38x = 41,993.17 × 12,211.41
  4. Step 4: Simplify right side
    28,009.38x = 512,795,943.02
  5. Step 5: Solve for x
    x = 512,795,943.02/28,009.38
  6. Step 6: Final answer
    x = 18,308.01

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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.