Home / 27,964.76-38,591.49-16,028.79

Finding the Fourth Proportional to 27,964.76, 38,591.49 and 16,028.79

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Solution

The fourth proportional to 27,964.76, 38,591.49 and 16,028.79 is: 22,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.76 : 38,591.49 = 16,028.79 : x
  2. Step 2: Convert to fraction form
    27,964.76/38,591.49 = 16,028.79/x
  3. Step 3: Cross multiply
    27,964.76x = 38,591.49 × 16,028.79
  4. Step 4: Simplify right side
    27,964.76x = 618,574,889.00
  5. Step 5: Solve for x
    x = 618,574,889.00/27,964.76
  6. Step 6: Final answer
    x = 22,119.80

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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.