Home / 28,795.73-43,186.50-12,147.19

Finding the Fourth Proportional to 28,795.73, 43,186.50 and 12,147.19

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Solution

The fourth proportional to 28,795.73, 43,186.50 and 12,147.19 is: 18,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.73 : 43,186.50 = 12,147.19 : x
  2. Step 2: Convert to fraction form
    28,795.73/43,186.50 = 12,147.19/x
  3. Step 3: Cross multiply
    28,795.73x = 43,186.50 × 12,147.19
  4. Step 4: Simplify right side
    28,795.73x = 524,594,512.97
  5. Step 5: Solve for x
    x = 524,594,512.97/28,795.73
  6. Step 6: Final answer
    x = 18,217.79

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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.