Home / 27,684.62-38,203.35-15,106.94

Finding the Fourth Proportional to 27,684.62, 38,203.35 and 15,106.94

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Solution

The fourth proportional to 27,684.62, 38,203.35 and 15,106.94 is: 20,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.62 : 38,203.35 = 15,106.94 : x
  2. Step 2: Convert to fraction form
    27,684.62/38,203.35 = 15,106.94/x
  3. Step 3: Cross multiply
    27,684.62x = 38,203.35 × 15,106.94
  4. Step 4: Simplify right side
    27,684.62x = 577,135,716.25
  5. Step 5: Solve for x
    x = 577,135,716.25/27,684.62
  6. Step 6: Final answer
    x = 20,846.80

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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.