Home / 26,517.58-39,786.90-10,931.56

Finding the Fourth Proportional to 26,517.58, 39,786.90 and 10,931.56

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Solution

The fourth proportional to 26,517.58, 39,786.90 and 10,931.56 is: 16,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.58 : 39,786.90 = 10,931.56 : x
  2. Step 2: Convert to fraction form
    26,517.58/39,786.90 = 10,931.56/x
  3. Step 3: Cross multiply
    26,517.58x = 39,786.90 × 10,931.56
  4. Step 4: Simplify right side
    26,517.58x = 434,932,884.56
  5. Step 5: Solve for x
    x = 434,932,884.56/26,517.58
  6. Step 6: Final answer
    x = 16,401.68

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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.