Home / 27,556.18-41,311.20-12,775.72

Finding the Fourth Proportional to 27,556.18, 41,311.20 and 12,775.72

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Solution

The fourth proportional to 27,556.18, 41,311.20 and 12,775.72 is: 19,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.18 : 41,311.20 = 12,775.72 : x
  2. Step 2: Convert to fraction form
    27,556.18/41,311.20 = 12,775.72/x
  3. Step 3: Cross multiply
    27,556.18x = 41,311.20 × 12,775.72
  4. Step 4: Simplify right side
    27,556.18x = 527,780,324.06
  5. Step 5: Solve for x
    x = 527,780,324.06/27,556.18
  6. Step 6: Final answer
    x = 19,152.88

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1.5x scale

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.