Home / 27,078.03-40,589.33-10,431.53

Finding the Fourth Proportional to 27,078.03, 40,589.33 and 10,431.53

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Solution

The fourth proportional to 27,078.03, 40,589.33 and 10,431.53 is: 15,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.03 : 40,589.33 = 10,431.53 : x
  2. Step 2: Convert to fraction form
    27,078.03/40,589.33 = 10,431.53/x
  3. Step 3: Cross multiply
    27,078.03x = 40,589.33 × 10,431.53
  4. Step 4: Simplify right side
    27,078.03x = 423,408,558.47
  5. Step 5: Solve for x
    x = 423,408,558.47/27,078.03
  6. Step 6: Final answer
    x = 15,636.61

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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.