Home / 27,290.75-40,949.09-8,822.75

Finding the Fourth Proportional to 27,290.75, 40,949.09 and 8,822.75

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Solution

The fourth proportional to 27,290.75, 40,949.09 and 8,822.75 is: 13,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.75 : 40,949.09 = 8,822.75 : x
  2. Step 2: Convert to fraction form
    27,290.75/40,949.09 = 8,822.75/x
  3. Step 3: Cross multiply
    27,290.75x = 40,949.09 × 8,822.75
  4. Step 4: Simplify right side
    27,290.75x = 361,283,583.80
  5. Step 5: Solve for x
    x = 361,283,583.80/27,290.75
  6. Step 6: Final answer
    x = 13,238.32

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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.