Home / 27,642.15-41,418.72-16,543.62

Finding the Fourth Proportional to 27,642.15, 41,418.72 and 16,543.62

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Solution

The fourth proportional to 27,642.15, 41,418.72 and 16,543.62 is: 24,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.15 : 41,418.72 = 16,543.62 : x
  2. Step 2: Convert to fraction form
    27,642.15/41,418.72 = 16,543.62/x
  3. Step 3: Cross multiply
    27,642.15x = 41,418.72 × 16,543.62
  4. Step 4: Simplify right side
    27,642.15x = 685,215,564.57
  5. Step 5: Solve for x
    x = 685,215,564.57/27,642.15
  6. Step 6: Final answer
    x = 24,788.79

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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.