Home / 27,311.68-40,991.94-13,993.76

Finding the Fourth Proportional to 27,311.68, 40,991.94 and 13,993.76

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Solution

The fourth proportional to 27,311.68, 40,991.94 and 13,993.76 is: 21,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.68 : 40,991.94 = 13,993.76 : x
  2. Step 2: Convert to fraction form
    27,311.68/40,991.94 = 13,993.76/x
  3. Step 3: Cross multiply
    27,311.68x = 40,991.94 × 13,993.76
  4. Step 4: Simplify right side
    27,311.68x = 573,631,370.29
  5. Step 5: Solve for x
    x = 573,631,370.29/27,311.68
  6. Step 6: Final answer
    x = 21,003.15

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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.