Home / 27,257.37-37,616.23-15,320.67

Finding the Fourth Proportional to 27,257.37, 37,616.23 and 15,320.67

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Solution

The fourth proportional to 27,257.37, 37,616.23 and 15,320.67 is: 21,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.37 : 37,616.23 = 15,320.67 : x
  2. Step 2: Convert to fraction form
    27,257.37/37,616.23 = 15,320.67/x
  3. Step 3: Cross multiply
    27,257.37x = 37,616.23 × 15,320.67
  4. Step 4: Simplify right side
    27,257.37x = 576,305,658.39
  5. Step 5: Solve for x
    x = 576,305,658.39/27,257.37
  6. Step 6: Final answer
    x = 21,143.12

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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.