Home / 28,107.24-38,786.91-16,174.41

Finding the Fourth Proportional to 28,107.24, 38,786.91 and 16,174.41

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Solution

The fourth proportional to 28,107.24, 38,786.91 and 16,174.41 is: 22,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.24 : 38,786.91 = 16,174.41 : x
  2. Step 2: Convert to fraction form
    28,107.24/38,786.91 = 16,174.41/x
  3. Step 3: Cross multiply
    28,107.24x = 38,786.91 × 16,174.41
  4. Step 4: Simplify right side
    28,107.24x = 627,355,384.97
  5. Step 5: Solve for x
    x = 627,355,384.97/28,107.24
  6. Step 6: Final answer
    x = 22,320.06

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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.