Home / 26,821.08-40,245-12,040.56

Finding the Fourth Proportional to 26,821.08, 40,245 and 12,040.56

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Solution

The fourth proportional to 26,821.08, 40,245 and 12,040.56 is: 18,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.08 : 40,245 = 12,040.56 : x
  2. Step 2: Convert to fraction form
    26,821.08/40,245 = 12,040.56/x
  3. Step 3: Cross multiply
    26,821.08x = 40,245 × 12,040.56
  4. Step 4: Simplify right side
    26,821.08x = 484,572,337.20
  5. Step 5: Solve for x
    x = 484,572,337.20/26,821.08
  6. Step 6: Final answer
    x = 18,066.85

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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.