Home / 27,890.22-41,829.18-8,170.32

Finding the Fourth Proportional to 27,890.22, 41,829.18 and 8,170.32

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Solution

The fourth proportional to 27,890.22, 41,829.18 and 8,170.32 is: 12,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.22 : 41,829.18 = 8,170.32 : x
  2. Step 2: Convert to fraction form
    27,890.22/41,829.18 = 8,170.32/x
  3. Step 3: Cross multiply
    27,890.22x = 41,829.18 × 8,170.32
  4. Step 4: Simplify right side
    27,890.22x = 341,757,785.94
  5. Step 5: Solve for x
    x = 341,757,785.94/27,890.22
  6. Step 6: Final answer
    x = 12,253.68

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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.