Home / 27,982.80-38,604.09-16,043.40

Finding the Fourth Proportional to 27,982.80, 38,604.09 and 16,043.40

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Solution

The fourth proportional to 27,982.80, 38,604.09 and 16,043.40 is: 22,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.80 : 38,604.09 = 16,043.40 : x
  2. Step 2: Convert to fraction form
    27,982.80/38,604.09 = 16,043.40/x
  3. Step 3: Cross multiply
    27,982.80x = 38,604.09 × 16,043.40
  4. Step 4: Simplify right side
    27,982.80x = 619,340,857.51
  5. Step 5: Solve for x
    x = 619,340,857.51/27,982.80
  6. Step 6: Final answer
    x = 22,132.91

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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.