Home / 27,390.72-41,086.32-8,670.42

Finding the Fourth Proportional to 27,390.72, 41,086.32 and 8,670.42

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Solution

The fourth proportional to 27,390.72, 41,086.32 and 8,670.42 is: 13,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.72 : 41,086.32 = 8,670.42 : x
  2. Step 2: Convert to fraction form
    27,390.72/41,086.32 = 8,670.42/x
  3. Step 3: Cross multiply
    27,390.72x = 41,086.32 × 8,670.42
  4. Step 4: Simplify right side
    27,390.72x = 356,235,650.65
  5. Step 5: Solve for x
    x = 356,235,650.65/27,390.72
  6. Step 6: Final answer
    x = 13,005.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.