Home / 27,158.91-37,479.17-15,222.25

Finding the Fourth Proportional to 27,158.91, 37,479.17 and 15,222.25

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Solution

The fourth proportional to 27,158.91, 37,479.17 and 15,222.25 is: 21,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.91 : 37,479.17 = 15,222.25 : x
  2. Step 2: Convert to fraction form
    27,158.91/37,479.17 = 15,222.25/x
  3. Step 3: Cross multiply
    27,158.91x = 37,479.17 × 15,222.25
  4. Step 4: Simplify right side
    27,158.91x = 570,517,198.16
  5. Step 5: Solve for x
    x = 570,517,198.16/27,158.91
  6. Step 6: Final answer
    x = 21,006.63

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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.