Home / 27,836.41-38,362.73-19,770.42

Finding the Fourth Proportional to 27,836.41, 38,362.73 and 19,770.42

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Solution

The fourth proportional to 27,836.41, 38,362.73 and 19,770.42 is: 27,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.41 : 38,362.73 = 19,770.42 : x
  2. Step 2: Convert to fraction form
    27,836.41/38,362.73 = 19,770.42/x
  3. Step 3: Cross multiply
    27,836.41x = 38,362.73 × 19,770.42
  4. Step 4: Simplify right side
    27,836.41x = 758,446,993.78
  5. Step 5: Solve for x
    x = 758,446,993.78/27,836.41
  6. Step 6: Final answer
    x = 27,246.59

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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.