Home / 27,991.16-41,983.12-8,271.80

Finding the Fourth Proportional to 27,991.16, 41,983.12 and 8,271.80

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Solution

The fourth proportional to 27,991.16, 41,983.12 and 8,271.80 is: 12,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.16 : 41,983.12 = 8,271.80 : x
  2. Step 2: Convert to fraction form
    27,991.16/41,983.12 = 8,271.80/x
  3. Step 3: Cross multiply
    27,991.16x = 41,983.12 × 8,271.80
  4. Step 4: Simplify right side
    27,991.16x = 347,275,972.02
  5. Step 5: Solve for x
    x = 347,275,972.02/27,991.16
  6. Step 6: Final answer
    x = 12,406.63

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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.