Home / 27,331.20-40,996.80-17,481.60

Finding the Fourth Proportional to 27,331.20, 40,996.80 and 17,481.60

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Solution

The fourth proportional to 27,331.20, 40,996.80 and 17,481.60 is: 26,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.20 : 40,996.80 = 17,481.60 : x
  2. Step 2: Convert to fraction form
    27,331.20/40,996.80 = 17,481.60/x
  3. Step 3: Cross multiply
    27,331.20x = 40,996.80 × 17,481.60
  4. Step 4: Simplify right side
    27,331.20x = 716,689,658.88
  5. Step 5: Solve for x
    x = 716,689,658.88/27,331.20
  6. Step 6: Final answer
    x = 26,222.40

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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.