Home / 26,810.76-40,221.84-8,092.20

Finding the Fourth Proportional to 26,810.76, 40,221.84 and 8,092.20

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Solution

The fourth proportional to 26,810.76, 40,221.84 and 8,092.20 is: 12,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.76 : 40,221.84 = 8,092.20 : x
  2. Step 2: Convert to fraction form
    26,810.76/40,221.84 = 8,092.20/x
  3. Step 3: Cross multiply
    26,810.76x = 40,221.84 × 8,092.20
  4. Step 4: Simplify right side
    26,810.76x = 325,483,173.65
  5. Step 5: Solve for x
    x = 325,483,173.65/26,810.76
  6. Step 6: Final answer
    x = 12,140.02

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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.