Home / 27,919.08-41,878.62-8,211.48

Finding the Fourth Proportional to 27,919.08, 41,878.62 and 8,211.48

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Solution

The fourth proportional to 27,919.08, 41,878.62 and 8,211.48 is: 12,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.08 : 41,878.62 = 8,211.48 : x
  2. Step 2: Convert to fraction form
    27,919.08/41,878.62 = 8,211.48/x
  3. Step 3: Cross multiply
    27,919.08x = 41,878.62 × 8,211.48
  4. Step 4: Simplify right side
    27,919.08x = 343,885,450.56
  5. Step 5: Solve for x
    x = 343,885,450.56/27,919.08
  6. Step 6: Final answer
    x = 12,317.22

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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.