Home / 27,331.28-40,977.48-13,083.44

Finding the Fourth Proportional to 27,331.28, 40,977.48 and 13,083.44

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Solution

The fourth proportional to 27,331.28, 40,977.48 and 13,083.44 is: 19,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.28 : 40,977.48 = 13,083.44 : x
  2. Step 2: Convert to fraction form
    27,331.28/40,977.48 = 13,083.44/x
  3. Step 3: Cross multiply
    27,331.28x = 40,977.48 × 13,083.44
  4. Step 4: Simplify right side
    27,331.28x = 536,126,400.93
  5. Step 5: Solve for x
    x = 536,126,400.93/27,331.28
  6. Step 6: Final answer
    x = 19,615.85

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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.