Home / 27,478.22-41,220.60-8,751.68

Finding the Fourth Proportional to 27,478.22, 41,220.60 and 8,751.68

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Solution

The fourth proportional to 27,478.22, 41,220.60 and 8,751.68 is: 13,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.22 : 41,220.60 = 8,751.68 : x
  2. Step 2: Convert to fraction form
    27,478.22/41,220.60 = 8,751.68/x
  3. Step 3: Cross multiply
    27,478.22x = 41,220.60 × 8,751.68
  4. Step 4: Simplify right side
    27,478.22x = 360,749,500.61
  5. Step 5: Solve for x
    x = 360,749,500.61/27,478.22
  6. Step 6: Final answer
    x = 13,128.56

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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.