Home / 26,399.70-39,557.88-9,736.80

Finding the Fourth Proportional to 26,399.70, 39,557.88 and 9,736.80

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Solution

The fourth proportional to 26,399.70, 39,557.88 and 9,736.80 is: 14,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.70 : 39,557.88 = 9,736.80 : x
  2. Step 2: Convert to fraction form
    26,399.70/39,557.88 = 9,736.80/x
  3. Step 3: Cross multiply
    26,399.70x = 39,557.88 × 9,736.80
  4. Step 4: Simplify right side
    26,399.70x = 385,167,165.98
  5. Step 5: Solve for x
    x = 385,167,165.98/26,399.70
  6. Step 6: Final answer
    x = 14,589.83

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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.