Home / 27,673.66-38,093.61-20,947.42

Finding the Fourth Proportional to 27,673.66, 38,093.61 and 20,947.42

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Solution

The fourth proportional to 27,673.66, 38,093.61 and 20,947.42 is: 28,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.66 : 38,093.61 = 20,947.42 : x
  2. Step 2: Convert to fraction form
    27,673.66/38,093.61 = 20,947.42/x
  3. Step 3: Cross multiply
    27,673.66x = 38,093.61 × 20,947.42
  4. Step 4: Simplify right side
    27,673.66x = 797,962,847.99
  5. Step 5: Solve for x
    x = 797,962,847.99/27,673.66
  6. Step 6: Final answer
    x = 28,834.74

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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.