Home / 27,581.23-41,378.34-7,860.07

Finding the Fourth Proportional to 27,581.23, 41,378.34 and 7,860.07

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Solution

The fourth proportional to 27,581.23, 41,378.34 and 7,860.07 is: 11,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.23 : 41,378.34 = 7,860.07 : x
  2. Step 2: Convert to fraction form
    27,581.23/41,378.34 = 7,860.07/x
  3. Step 3: Cross multiply
    27,581.23x = 41,378.34 × 7,860.07
  4. Step 4: Simplify right side
    27,581.23x = 325,236,648.88
  5. Step 5: Solve for x
    x = 325,236,648.88/27,581.23
  6. Step 6: Final answer
    x = 11,791.96

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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.