Home / 26,079.05-39,119.24-8,309.42

Finding the Fourth Proportional to 26,079.05, 39,119.24 and 8,309.42

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Solution

The fourth proportional to 26,079.05, 39,119.24 and 8,309.42 is: 12,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.05 : 39,119.24 = 8,309.42 : x
  2. Step 2: Convert to fraction form
    26,079.05/39,119.24 = 8,309.42/x
  3. Step 3: Cross multiply
    26,079.05x = 39,119.24 × 8,309.42
  4. Step 4: Simplify right side
    26,079.05x = 325,058,195.24
  5. Step 5: Solve for x
    x = 325,058,195.24/26,079.05
  6. Step 6: Final answer
    x = 12,464.34

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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.