Home / 27,396.62-37,806.72-15,459.65

Finding the Fourth Proportional to 27,396.62, 37,806.72 and 15,459.65

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Solution

The fourth proportional to 27,396.62, 37,806.72 and 15,459.65 is: 21,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.62 : 37,806.72 = 15,459.65 : x
  2. Step 2: Convert to fraction form
    27,396.62/37,806.72 = 15,459.65/x
  3. Step 3: Cross multiply
    27,396.62x = 37,806.72 × 15,459.65
  4. Step 4: Simplify right side
    27,396.62x = 584,478,658.85
  5. Step 5: Solve for x
    x = 584,478,658.85/27,396.62
  6. Step 6: Final answer
    x = 21,333.97

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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.