Home / 27,959.58-38,579.74-16,020.69

Finding the Fourth Proportional to 27,959.58, 38,579.74 and 16,020.69

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Solution

The fourth proportional to 27,959.58, 38,579.74 and 16,020.69 is: 22,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.58 : 38,579.74 = 16,020.69 : x
  2. Step 2: Convert to fraction form
    27,959.58/38,579.74 = 16,020.69/x
  3. Step 3: Cross multiply
    27,959.58x = 38,579.74 × 16,020.69
  4. Step 4: Simplify right side
    27,959.58x = 618,073,960.21
  5. Step 5: Solve for x
    x = 618,073,960.21/27,959.58
  6. Step 6: Final answer
    x = 22,105.98

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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.