Home / 27,311.36-37,694.66-15,980.20

Finding the Fourth Proportional to 27,311.36, 37,694.66 and 15,980.20

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Solution

The fourth proportional to 27,311.36, 37,694.66 and 15,980.20 is: 22,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.36 : 37,694.66 = 15,980.20 : x
  2. Step 2: Convert to fraction form
    27,311.36/37,694.66 = 15,980.20/x
  3. Step 3: Cross multiply
    27,311.36x = 37,694.66 × 15,980.20
  4. Step 4: Simplify right side
    27,311.36x = 602,368,205.73
  5. Step 5: Solve for x
    x = 602,368,205.73/27,311.36
  6. Step 6: Final answer
    x = 22,055.59

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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.