Home / 27,168.36-40,744.12-13,119.65

Finding the Fourth Proportional to 27,168.36, 40,744.12 and 13,119.65

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Solution

The fourth proportional to 27,168.36, 40,744.12 and 13,119.65 is: 19,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.36 : 40,744.12 = 13,119.65 : x
  2. Step 2: Convert to fraction form
    27,168.36/40,744.12 = 13,119.65/x
  3. Step 3: Cross multiply
    27,168.36x = 40,744.12 × 13,119.65
  4. Step 4: Simplify right side
    27,168.36x = 534,548,593.96
  5. Step 5: Solve for x
    x = 534,548,593.96/27,168.36
  6. Step 6: Final answer
    x = 19,675.41

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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.