Home / 27,769.07-38,281.44-19,797.45

Finding the Fourth Proportional to 27,769.07, 38,281.44 and 19,797.45

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Solution

The fourth proportional to 27,769.07, 38,281.44 and 19,797.45 is: 27,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.07 : 38,281.44 = 19,797.45 : x
  2. Step 2: Convert to fraction form
    27,769.07/38,281.44 = 19,797.45/x
  3. Step 3: Cross multiply
    27,769.07x = 38,281.44 × 19,797.45
  4. Step 4: Simplify right side
    27,769.07x = 757,874,894.33
  5. Step 5: Solve for x
    x = 757,874,894.33/27,769.07
  6. Step 6: Final answer
    x = 27,292.06

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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.