Home / 28,871.23-43,273.23-12,225.73

Finding the Fourth Proportional to 28,871.23, 43,273.23 and 12,225.73

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Solution

The fourth proportional to 28,871.23, 43,273.23 and 12,225.73 is: 18,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.23 : 43,273.23 = 12,225.73 : x
  2. Step 2: Convert to fraction form
    28,871.23/43,273.23 = 12,225.73/x
  3. Step 3: Cross multiply
    28,871.23x = 43,273.23 × 12,225.73
  4. Step 4: Simplify right side
    28,871.23x = 529,046,826.21
  5. Step 5: Solve for x
    x = 529,046,826.21/28,871.23
  6. Step 6: Final answer
    x = 18,324.36

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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.