Home / 27,761.96-41,656.62-12,971.90

Finding the Fourth Proportional to 27,761.96, 41,656.62 and 12,971.90

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Solution

The fourth proportional to 27,761.96, 41,656.62 and 12,971.90 is: 19,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.96 : 41,656.62 = 12,971.90 : x
  2. Step 2: Convert to fraction form
    27,761.96/41,656.62 = 12,971.90/x
  3. Step 3: Cross multiply
    27,761.96x = 41,656.62 × 12,971.90
  4. Step 4: Simplify right side
    27,761.96x = 540,365,508.98
  5. Step 5: Solve for x
    x = 540,365,508.98/27,761.96
  6. Step 6: Final answer
    x = 19,464.24

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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.