Home / 27,803.60-41,705.40-8,081.36

Finding the Fourth Proportional to 27,803.60, 41,705.40 and 8,081.36

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Solution

The fourth proportional to 27,803.60, 41,705.40 and 8,081.36 is: 12,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.60 : 41,705.40 = 8,081.36 : x
  2. Step 2: Convert to fraction form
    27,803.60/41,705.40 = 8,081.36/x
  3. Step 3: Cross multiply
    27,803.60x = 41,705.40 × 8,081.36
  4. Step 4: Simplify right side
    27,803.60x = 337,036,351.34
  5. Step 5: Solve for x
    x = 337,036,351.34/27,803.60
  6. Step 6: Final answer
    x = 12,122.04

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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.