Home / 27,147.60-40,687.32-15,467.40

Finding the Fourth Proportional to 27,147.60, 40,687.32 and 15,467.40

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Solution

The fourth proportional to 27,147.60, 40,687.32 and 15,467.40 is: 23,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.60 : 40,687.32 = 15,467.40 : x
  2. Step 2: Convert to fraction form
    27,147.60/40,687.32 = 15,467.40/x
  3. Step 3: Cross multiply
    27,147.60x = 40,687.32 × 15,467.40
  4. Step 4: Simplify right side
    27,147.60x = 629,327,053.37
  5. Step 5: Solve for x
    x = 629,327,053.37/27,147.60
  6. Step 6: Final answer
    x = 23,181.68

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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.