Home / 27,999.30-41,989.23-8,272.56

Finding the Fourth Proportional to 27,999.30, 41,989.23 and 8,272.56

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Solution

The fourth proportional to 27,999.30, 41,989.23 and 8,272.56 is: 12,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.30 : 41,989.23 = 8,272.56 : x
  2. Step 2: Convert to fraction form
    27,999.30/41,989.23 = 8,272.56/x
  3. Step 3: Cross multiply
    27,999.30x = 41,989.23 × 8,272.56
  4. Step 4: Simplify right side
    27,999.30x = 347,358,424.53
  5. Step 5: Solve for x
    x = 347,358,424.53/27,999.30
  6. Step 6: Final answer
    x = 12,405.97

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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.