Home / 27,947.64-38,571.66-17,340.69

Finding the Fourth Proportional to 27,947.64, 38,571.66 and 17,340.69

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Solution

The fourth proportional to 27,947.64, 38,571.66 and 17,340.69 is: 23,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.64 : 38,571.66 = 17,340.69 : x
  2. Step 2: Convert to fraction form
    27,947.64/38,571.66 = 17,340.69/x
  3. Step 3: Cross multiply
    27,947.64x = 38,571.66 × 17,340.69
  4. Step 4: Simplify right side
    27,947.64x = 668,859,198.85
  5. Step 5: Solve for x
    x = 668,859,198.85/27,947.64
  6. Step 6: Final answer
    x = 23,932.58

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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.