Home / 27,669.11-38,183.75-15,732.41

Finding the Fourth Proportional to 27,669.11, 38,183.75 and 15,732.41

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Solution

The fourth proportional to 27,669.11, 38,183.75 and 15,732.41 is: 21,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.11 : 38,183.75 = 15,732.41 : x
  2. Step 2: Convert to fraction form
    27,669.11/38,183.75 = 15,732.41/x
  3. Step 3: Cross multiply
    27,669.11x = 38,183.75 × 15,732.41
  4. Step 4: Simplify right side
    27,669.11x = 600,722,140.76
  5. Step 5: Solve for x
    x = 600,722,140.76/27,669.11
  6. Step 6: Final answer
    x = 21,710.94

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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.