Home / 28,885.11-43,324.38-7,823.94

Finding the Fourth Proportional to 28,885.11, 43,324.38 and 7,823.94

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Solution

The fourth proportional to 28,885.11, 43,324.38 and 7,823.94 is: 11,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.11 : 43,324.38 = 7,823.94 : x
  2. Step 2: Convert to fraction form
    28,885.11/43,324.38 = 7,823.94/x
  3. Step 3: Cross multiply
    28,885.11x = 43,324.38 × 7,823.94
  4. Step 4: Simplify right side
    28,885.11x = 338,967,349.66
  5. Step 5: Solve for x
    x = 338,967,349.66/28,885.11
  6. Step 6: Final answer
    x = 11,735.02

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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.