Home / 27,582.60-41,379.30-11,787.60

Finding the Fourth Proportional to 27,582.60, 41,379.30 and 11,787.60

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Solution

The fourth proportional to 27,582.60, 41,379.30 and 11,787.60 is: 17,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.60 : 41,379.30 = 11,787.60 : x
  2. Step 2: Convert to fraction form
    27,582.60/41,379.30 = 11,787.60/x
  3. Step 3: Cross multiply
    27,582.60x = 41,379.30 × 11,787.60
  4. Step 4: Simplify right side
    27,582.60x = 487,762,636.68
  5. Step 5: Solve for x
    x = 487,762,636.68/27,582.60
  6. Step 6: Final answer
    x = 17,683.71

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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.