Home / 27,351.27-41,031.50-12,561.48

Finding the Fourth Proportional to 27,351.27, 41,031.50 and 12,561.48

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Solution

The fourth proportional to 27,351.27, 41,031.50 and 12,561.48 is: 18,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.27 : 41,031.50 = 12,561.48 : x
  2. Step 2: Convert to fraction form
    27,351.27/41,031.50 = 12,561.48/x
  3. Step 3: Cross multiply
    27,351.27x = 41,031.50 × 12,561.48
  4. Step 4: Simplify right side
    27,351.27x = 515,416,303.81
  5. Step 5: Solve for x
    x = 515,416,303.81/27,351.27
  6. Step 6: Final answer
    x = 18,844.33

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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.