Home / 27,811.15-41,716.69-11,171.18

Finding the Fourth Proportional to 27,811.15, 41,716.69 and 11,171.18

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Solution

The fourth proportional to 27,811.15, 41,716.69 and 11,171.18 is: 16,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.15 : 41,716.69 = 11,171.18 : x
  2. Step 2: Convert to fraction form
    27,811.15/41,716.69 = 11,171.18/x
  3. Step 3: Cross multiply
    27,811.15x = 41,716.69 × 11,171.18
  4. Step 4: Simplify right side
    27,811.15x = 466,024,652.99
  5. Step 5: Solve for x
    x = 466,024,652.99/27,811.15
  6. Step 6: Final answer
    x = 16,756.76

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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.