Home / 27,019.57-37,286.86-15,691.85

Finding the Fourth Proportional to 27,019.57, 37,286.86 and 15,691.85

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Solution

The fourth proportional to 27,019.57, 37,286.86 and 15,691.85 is: 21,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.57 : 37,286.86 = 15,691.85 : x
  2. Step 2: Convert to fraction form
    27,019.57/37,286.86 = 15,691.85/x
  3. Step 3: Cross multiply
    27,019.57x = 37,286.86 × 15,691.85
  4. Step 4: Simplify right side
    27,019.57x = 585,099,814.09
  5. Step 5: Solve for x
    x = 585,099,814.09/27,019.57
  6. Step 6: Final answer
    x = 21,654.67

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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.