Home / 27,628.56-38,116-19,249.92

Finding the Fourth Proportional to 27,628.56, 38,116 and 19,249.92

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Solution

The fourth proportional to 27,628.56, 38,116 and 19,249.92 is: 26,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.56 : 38,116 = 19,249.92 : x
  2. Step 2: Convert to fraction form
    27,628.56/38,116 = 19,249.92/x
  3. Step 3: Cross multiply
    27,628.56x = 38,116 × 19,249.92
  4. Step 4: Simplify right side
    27,628.56x = 733,729,950.72
  5. Step 5: Solve for x
    x = 733,729,950.72/27,628.56
  6. Step 6: Final answer
    x = 26,556.94

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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.