Home / 27,672.72-38,188.26-15,097.56

Finding the Fourth Proportional to 27,672.72, 38,188.26 and 15,097.56

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Solution

The fourth proportional to 27,672.72, 38,188.26 and 15,097.56 is: 20,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.72 : 38,188.26 = 15,097.56 : x
  2. Step 2: Convert to fraction form
    27,672.72/38,188.26 = 15,097.56/x
  3. Step 3: Cross multiply
    27,672.72x = 38,188.26 × 15,097.56
  4. Step 4: Simplify right side
    27,672.72x = 576,549,546.65
  5. Step 5: Solve for x
    x = 576,549,546.65/27,672.72
  6. Step 6: Final answer
    x = 20,834.58

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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.