Home / 28,517.67-39,313.22-19,550.97

Finding the Fourth Proportional to 28,517.67, 39,313.22 and 19,550.97

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Solution

The fourth proportional to 28,517.67, 39,313.22 and 19,550.97 is: 26,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.67 : 39,313.22 = 19,550.97 : x
  2. Step 2: Convert to fraction form
    28,517.67/39,313.22 = 19,550.97/x
  3. Step 3: Cross multiply
    28,517.67x = 39,313.22 × 19,550.97
  4. Step 4: Simplify right side
    28,517.67x = 768,611,487.07
  5. Step 5: Solve for x
    x = 768,611,487.07/28,517.67
  6. Step 6: Final answer
    x = 26,952.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.