Home / 27,853.80-38,443.15-16,529.54

Finding the Fourth Proportional to 27,853.80, 38,443.15 and 16,529.54

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Solution

The fourth proportional to 27,853.80, 38,443.15 and 16,529.54 is: 22,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.80 : 38,443.15 = 16,529.54 : x
  2. Step 2: Convert to fraction form
    27,853.80/38,443.15 = 16,529.54/x
  3. Step 3: Cross multiply
    27,853.80x = 38,443.15 × 16,529.54
  4. Step 4: Simplify right side
    27,853.80x = 635,447,585.65
  5. Step 5: Solve for x
    x = 635,447,585.65/27,853.80
  6. Step 6: Final answer
    x = 22,813.68

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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.