Home / 26,380.70-39,559.47-7,908.38

Finding the Fourth Proportional to 26,380.70, 39,559.47 and 7,908.38

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Solution

The fourth proportional to 26,380.70, 39,559.47 and 7,908.38 is: 11,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.70 : 39,559.47 = 7,908.38 : x
  2. Step 2: Convert to fraction form
    26,380.70/39,559.47 = 7,908.38/x
  3. Step 3: Cross multiply
    26,380.70x = 39,559.47 × 7,908.38
  4. Step 4: Simplify right side
    26,380.70x = 312,851,321.36
  5. Step 5: Solve for x
    x = 312,851,321.36/26,380.70
  6. Step 6: Final answer
    x = 11,859.10

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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.