Home / 27,077.85-40,585.68-16,950.78

Finding the Fourth Proportional to 27,077.85, 40,585.68 and 16,950.78

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Solution

The fourth proportional to 27,077.85, 40,585.68 and 16,950.78 is: 25,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.85 : 40,585.68 = 16,950.78 : x
  2. Step 2: Convert to fraction form
    27,077.85/40,585.68 = 16,950.78/x
  3. Step 3: Cross multiply
    27,077.85x = 40,585.68 × 16,950.78
  4. Step 4: Simplify right side
    27,077.85x = 687,958,932.83
  5. Step 5: Solve for x
    x = 687,958,932.83/27,077.85
  6. Step 6: Final answer
    x = 25,406.70

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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.