Home / 27,390.32-41,086.51-7,668.37

Finding the Fourth Proportional to 27,390.32, 41,086.51 and 7,668.37

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Solution

The fourth proportional to 27,390.32, 41,086.51 and 7,668.37 is: 11,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.32 : 41,086.51 = 7,668.37 : x
  2. Step 2: Convert to fraction form
    27,390.32/41,086.51 = 7,668.37/x
  3. Step 3: Cross multiply
    27,390.32x = 41,086.51 × 7,668.37
  4. Step 4: Simplify right side
    27,390.32x = 315,066,560.69
  5. Step 5: Solve for x
    x = 315,066,560.69/27,390.32
  6. Step 6: Final answer
    x = 11,502.84

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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.