Home / 27,481.83-37,924.20-15,216.81

Finding the Fourth Proportional to 27,481.83, 37,924.20 and 15,216.81

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Solution

The fourth proportional to 27,481.83, 37,924.20 and 15,216.81 is: 20,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.83 : 37,924.20 = 15,216.81 : x
  2. Step 2: Convert to fraction form
    27,481.83/37,924.20 = 15,216.81/x
  3. Step 3: Cross multiply
    27,481.83x = 37,924.20 × 15,216.81
  4. Step 4: Simplify right side
    27,481.83x = 577,085,345.80
  5. Step 5: Solve for x
    x = 577,085,345.80/27,481.83
  6. Step 6: Final answer
    x = 20,998.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.