Home / 27,882.09-41,786.23-20,451.76

Finding the Fourth Proportional to 27,882.09, 41,786.23 and 20,451.76

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Solution

The fourth proportional to 27,882.09, 41,786.23 and 20,451.76 is: 30,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.09 : 41,786.23 = 20,451.76 : x
  2. Step 2: Convert to fraction form
    27,882.09/41,786.23 = 20,451.76/x
  3. Step 3: Cross multiply
    27,882.09x = 41,786.23 × 20,451.76
  4. Step 4: Simplify right side
    27,882.09x = 854,601,830.02
  5. Step 5: Solve for x
    x = 854,601,830.02/27,882.09
  6. Step 6: Final answer
    x = 30,650.57

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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.