Home / 27,107.64-37,406.78-15,168.92

Finding the Fourth Proportional to 27,107.64, 37,406.78 and 15,168.92

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Solution

The fourth proportional to 27,107.64, 37,406.78 and 15,168.92 is: 20,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.64 : 37,406.78 = 15,168.92 : x
  2. Step 2: Convert to fraction form
    27,107.64/37,406.78 = 15,168.92/x
  3. Step 3: Cross multiply
    27,107.64x = 37,406.78 × 15,168.92
  4. Step 4: Simplify right side
    27,107.64x = 567,420,453.28
  5. Step 5: Solve for x
    x = 567,420,453.28/27,107.64
  6. Step 6: Final answer
    x = 20,932.12

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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.