Home / 27,190.83-40,777.61-18,481.71

Finding the Fourth Proportional to 27,190.83, 40,777.61 and 18,481.71

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Solution

The fourth proportional to 27,190.83, 40,777.61 and 18,481.71 is: 27,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.83 : 40,777.61 = 18,481.71 : x
  2. Step 2: Convert to fraction form
    27,190.83/40,777.61 = 18,481.71/x
  3. Step 3: Cross multiply
    27,190.83x = 40,777.61 × 18,481.71
  4. Step 4: Simplify right side
    27,190.83x = 753,639,870.10
  5. Step 5: Solve for x
    x = 753,639,870.10/27,190.83
  6. Step 6: Final answer
    x = 27,716.69

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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.