Home / 26,809.83-40,219.61-8,089.11

Finding the Fourth Proportional to 26,809.83, 40,219.61 and 8,089.11

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Solution

The fourth proportional to 26,809.83, 40,219.61 and 8,089.11 is: 12,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.83 : 40,219.61 = 8,089.11 : x
  2. Step 2: Convert to fraction form
    26,809.83/40,219.61 = 8,089.11/x
  3. Step 3: Cross multiply
    26,809.83x = 40,219.61 × 8,089.11
  4. Step 4: Simplify right side
    26,809.83x = 325,340,809.00
  5. Step 5: Solve for x
    x = 325,340,809.00/26,809.83
  6. Step 6: Final answer
    x = 12,135.13

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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.