Home / 28,982.56-43,391.10-19,091.68

Finding the Fourth Proportional to 28,982.56, 43,391.10 and 19,091.68

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Solution

The fourth proportional to 28,982.56, 43,391.10 and 19,091.68 is: 28,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.56 : 43,391.10 = 19,091.68 : x
  2. Step 2: Convert to fraction form
    28,982.56/43,391.10 = 19,091.68/x
  3. Step 3: Cross multiply
    28,982.56x = 43,391.10 × 19,091.68
  4. Step 4: Simplify right side
    28,982.56x = 828,408,996.05
  5. Step 5: Solve for x
    x = 828,408,996.05/28,982.56
  6. Step 6: Final answer
    x = 28,583.02

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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.