Home / 27,720.70-41,586.87-8,999.27

Finding the Fourth Proportional to 27,720.70, 41,586.87 and 8,999.27

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Solution

The fourth proportional to 27,720.70, 41,586.87 and 8,999.27 is: 13,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.70 : 41,586.87 = 8,999.27 : x
  2. Step 2: Convert to fraction form
    27,720.70/41,586.87 = 8,999.27/x
  3. Step 3: Cross multiply
    27,720.70x = 41,586.87 × 8,999.27
  4. Step 4: Simplify right side
    27,720.70x = 374,251,402.73
  5. Step 5: Solve for x
    x = 374,251,402.73/27,720.70
  6. Step 6: Final answer
    x = 13,500.79

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1.5x scale

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.