Home / 27,769.62-38,282.22-19,798.01

Finding the Fourth Proportional to 27,769.62, 38,282.22 and 19,798.01

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Solution

The fourth proportional to 27,769.62, 38,282.22 and 19,798.01 is: 27,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.62 : 38,282.22 = 19,798.01 : x
  2. Step 2: Convert to fraction form
    27,769.62/38,282.22 = 19,798.01/x
  3. Step 3: Cross multiply
    27,769.62x = 38,282.22 × 19,798.01
  4. Step 4: Simplify right side
    27,769.62x = 757,911,582.97
  5. Step 5: Solve for x
    x = 757,911,582.97/27,769.62
  6. Step 6: Final answer
    x = 27,292.83

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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.