Home / 27,949.91-38,570.26-16,020.28

Finding the Fourth Proportional to 27,949.91, 38,570.26 and 16,020.28

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Solution

The fourth proportional to 27,949.91, 38,570.26 and 16,020.28 is: 22,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.91 : 38,570.26 = 16,020.28 : x
  2. Step 2: Convert to fraction form
    27,949.91/38,570.26 = 16,020.28/x
  3. Step 3: Cross multiply
    27,949.91x = 38,570.26 × 16,020.28
  4. Step 4: Simplify right side
    27,949.91x = 617,906,091.92
  5. Step 5: Solve for x
    x = 617,906,091.92/27,949.91
  6. Step 6: Final answer
    x = 22,107.63

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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.