Home / 27,276.18-40,909.68-7,556.73

Finding the Fourth Proportional to 27,276.18, 40,909.68 and 7,556.73

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Solution

The fourth proportional to 27,276.18, 40,909.68 and 7,556.73 is: 11,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.18 : 40,909.68 = 7,556.73 : x
  2. Step 2: Convert to fraction form
    27,276.18/40,909.68 = 7,556.73/x
  3. Step 3: Cross multiply
    27,276.18x = 40,909.68 × 7,556.73
  4. Step 4: Simplify right side
    27,276.18x = 309,143,406.15
  5. Step 5: Solve for x
    x = 309,143,406.15/27,276.18
  6. Step 6: Final answer
    x = 11,333.82

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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.