Home / 27,427.11-41,142.07-7,707.20

Finding the Fourth Proportional to 27,427.11, 41,142.07 and 7,707.20

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Solution

The fourth proportional to 27,427.11, 41,142.07 and 7,707.20 is: 11,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.11 : 41,142.07 = 7,707.20 : x
  2. Step 2: Convert to fraction form
    27,427.11/41,142.07 = 7,707.20/x
  3. Step 3: Cross multiply
    27,427.11x = 41,142.07 × 7,707.20
  4. Step 4: Simplify right side
    27,427.11x = 317,090,161.90
  5. Step 5: Solve for x
    x = 317,090,161.90/27,427.11
  6. Step 6: Final answer
    x = 11,561.19

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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.