Home / 27,219.37-37,565.74-15,891.65

Finding the Fourth Proportional to 27,219.37, 37,565.74 and 15,891.65

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Solution

The fourth proportional to 27,219.37, 37,565.74 and 15,891.65 is: 21,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.37 : 37,565.74 = 15,891.65 : x
  2. Step 2: Convert to fraction form
    27,219.37/37,565.74 = 15,891.65/x
  3. Step 3: Cross multiply
    27,219.37x = 37,565.74 × 15,891.65
  4. Step 4: Simplify right side
    27,219.37x = 596,981,592.07
  5. Step 5: Solve for x
    x = 596,981,592.07/27,219.37
  6. Step 6: Final answer
    x = 21,932.23

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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.