Home / 27,928.57-38,544.47-15,995.83

Finding the Fourth Proportional to 27,928.57, 38,544.47 and 15,995.83

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Solution

The fourth proportional to 27,928.57, 38,544.47 and 15,995.83 is: 22,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.57 : 38,544.47 = 15,995.83 : x
  2. Step 2: Convert to fraction form
    27,928.57/38,544.47 = 15,995.83/x
  3. Step 3: Cross multiply
    27,928.57x = 38,544.47 × 15,995.83
  4. Step 4: Simplify right side
    27,928.57x = 616,550,789.56
  5. Step 5: Solve for x
    x = 616,550,789.56/27,928.57
  6. Step 6: Final answer
    x = 22,075.99

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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.