Home / 27,521.62-37,979.22-15,585.46

Finding the Fourth Proportional to 27,521.62, 37,979.22 and 15,585.46

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Solution

The fourth proportional to 27,521.62, 37,979.22 and 15,585.46 is: 21,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.62 : 37,979.22 = 15,585.46 : x
  2. Step 2: Convert to fraction form
    27,521.62/37,979.22 = 15,585.46/x
  3. Step 3: Cross multiply
    27,521.62x = 37,979.22 × 15,585.46
  4. Step 4: Simplify right side
    27,521.62x = 591,923,614.14
  5. Step 5: Solve for x
    x = 591,923,614.14/27,521.62
  6. Step 6: Final answer
    x = 21,507.59

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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.