Home / 27,763.12-41,636.84-9,991.18

Finding the Fourth Proportional to 27,763.12, 41,636.84 and 9,991.18

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Solution

The fourth proportional to 27,763.12, 41,636.84 and 9,991.18 is: 14,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.12 : 41,636.84 = 9,991.18 : x
  2. Step 2: Convert to fraction form
    27,763.12/41,636.84 = 9,991.18/x
  3. Step 3: Cross multiply
    27,763.12x = 41,636.84 × 9,991.18
  4. Step 4: Simplify right side
    27,763.12x = 416,001,163.07
  5. Step 5: Solve for x
    x = 416,001,163.07/27,763.12
  6. Step 6: Final answer
    x = 14,983.95

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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.