Home / 27,982.16-41,982.96-12,410.72

Finding the Fourth Proportional to 27,982.16, 41,982.96 and 12,410.72

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Solution

The fourth proportional to 27,982.16, 41,982.96 and 12,410.72 is: 18,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.16 : 41,982.96 = 12,410.72 : x
  2. Step 2: Convert to fraction form
    27,982.16/41,982.96 = 12,410.72/x
  3. Step 3: Cross multiply
    27,982.16x = 41,982.96 × 12,410.72
  4. Step 4: Simplify right side
    27,982.16x = 521,038,761.33
  5. Step 5: Solve for x
    x = 521,038,761.33/27,982.16
  6. Step 6: Final answer
    x = 18,620.39

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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.