Home / 26,837.85-40,257.15-8,118.03

Finding the Fourth Proportional to 26,837.85, 40,257.15 and 8,118.03

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Solution

The fourth proportional to 26,837.85, 40,257.15 and 8,118.03 is: 12,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.85 : 40,257.15 = 8,118.03 : x
  2. Step 2: Convert to fraction form
    26,837.85/40,257.15 = 8,118.03/x
  3. Step 3: Cross multiply
    26,837.85x = 40,257.15 × 8,118.03
  4. Step 4: Simplify right side
    26,837.85x = 326,808,751.41
  5. Step 5: Solve for x
    x = 326,808,751.41/26,837.85
  6. Step 6: Final answer
    x = 12,177.16

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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.