Home / 27,920.24-41,880.36-8,198.66

Finding the Fourth Proportional to 27,920.24, 41,880.36 and 8,198.66

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Solution

The fourth proportional to 27,920.24, 41,880.36 and 8,198.66 is: 12,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.24 : 41,880.36 = 8,198.66 : x
  2. Step 2: Convert to fraction form
    27,920.24/41,880.36 = 8,198.66/x
  3. Step 3: Cross multiply
    27,920.24x = 41,880.36 × 8,198.66
  4. Step 4: Simplify right side
    27,920.24x = 343,362,832.32
  5. Step 5: Solve for x
    x = 343,362,832.32/27,920.24
  6. Step 6: Final answer
    x = 12,297.99

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1.5x scale

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.