Home / 27,183.12-40,774.72-21,893.36

Finding the Fourth Proportional to 27,183.12, 40,774.72 and 21,893.36

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Solution

The fourth proportional to 27,183.12, 40,774.72 and 21,893.36 is: 32,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.12 : 40,774.72 = 21,893.36 : x
  2. Step 2: Convert to fraction form
    27,183.12/40,774.72 = 21,893.36/x
  3. Step 3: Cross multiply
    27,183.12x = 40,774.72 × 21,893.36
  4. Step 4: Simplify right side
    27,183.12x = 892,695,623.86
  5. Step 5: Solve for x
    x = 892,695,623.86/27,183.12
  6. Step 6: Final answer
    x = 32,840.07

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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.