Home / 27,355.21-41,032.81-8,648.38

Finding the Fourth Proportional to 27,355.21, 41,032.81 and 8,648.38

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Solution

The fourth proportional to 27,355.21, 41,032.81 and 8,648.38 is: 12,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.21 : 41,032.81 = 8,648.38 : x
  2. Step 2: Convert to fraction form
    27,355.21/41,032.81 = 8,648.38/x
  3. Step 3: Cross multiply
    27,355.21x = 41,032.81 × 8,648.38
  4. Step 4: Simplify right side
    27,355.21x = 354,867,333.35
  5. Step 5: Solve for x
    x = 354,867,333.35/27,355.21
  6. Step 6: Final answer
    x = 12,972.57

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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.