Home / 27,996.20-38,623.78-16,053.16

Finding the Fourth Proportional to 27,996.20, 38,623.78 and 16,053.16

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Solution

The fourth proportional to 27,996.20, 38,623.78 and 16,053.16 is: 22,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.20 : 38,623.78 = 16,053.16 : x
  2. Step 2: Convert to fraction form
    27,996.20/38,623.78 = 16,053.16/x
  3. Step 3: Cross multiply
    27,996.20x = 38,623.78 × 16,053.16
  4. Step 4: Simplify right side
    27,996.20x = 620,033,720.14
  5. Step 5: Solve for x
    x = 620,033,720.14/27,996.20
  6. Step 6: Final answer
    x = 22,147.07

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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.