Home / 27,343.55-41,020.44-18,830.90

Finding the Fourth Proportional to 27,343.55, 41,020.44 and 18,830.90

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Solution

The fourth proportional to 27,343.55, 41,020.44 and 18,830.90 is: 28,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.55 : 41,020.44 = 18,830.90 : x
  2. Step 2: Convert to fraction form
    27,343.55/41,020.44 = 18,830.90/x
  3. Step 3: Cross multiply
    27,343.55x = 41,020.44 × 18,830.90
  4. Step 4: Simplify right side
    27,343.55x = 772,451,677.86
  5. Step 5: Solve for x
    x = 772,451,677.86/27,343.55
  6. Step 6: Final answer
    x = 28,249.86

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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.