Home / 27,800.21-41,701.37-8,078.94

Finding the Fourth Proportional to 27,800.21, 41,701.37 and 8,078.94

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Solution

The fourth proportional to 27,800.21, 41,701.37 and 8,078.94 is: 12,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.21 : 41,701.37 = 8,078.94 : x
  2. Step 2: Convert to fraction form
    27,800.21/41,701.37 = 8,078.94/x
  3. Step 3: Cross multiply
    27,800.21x = 41,701.37 × 8,078.94
  4. Step 4: Simplify right side
    27,800.21x = 336,902,825.75
  5. Step 5: Solve for x
    x = 336,902,825.75/27,800.21
  6. Step 6: Final answer
    x = 12,118.71

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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.