Home / 27,974.41-41,971.34-12,402.97

Finding the Fourth Proportional to 27,974.41, 41,971.34 and 12,402.97

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Solution

The fourth proportional to 27,974.41, 41,971.34 and 12,402.97 is: 18,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.41 : 41,971.34 = 12,402.97 : x
  2. Step 2: Convert to fraction form
    27,974.41/41,971.34 = 12,402.97/x
  3. Step 3: Cross multiply
    27,974.41x = 41,971.34 × 12,402.97
  4. Step 4: Simplify right side
    27,974.41x = 520,569,208.86
  5. Step 5: Solve for x
    x = 520,569,208.86/27,974.41
  6. Step 6: Final answer
    x = 18,608.76

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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.