Home / 28,757.82-39,693.18-22,382.94

Finding the Fourth Proportional to 28,757.82, 39,693.18 and 22,382.94

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Solution

The fourth proportional to 28,757.82, 39,693.18 and 22,382.94 is: 30,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.82 : 39,693.18 = 22,382.94 : x
  2. Step 2: Convert to fraction form
    28,757.82/39,693.18 = 22,382.94/x
  3. Step 3: Cross multiply
    28,757.82x = 39,693.18 × 22,382.94
  4. Step 4: Simplify right side
    28,757.82x = 888,450,066.35
  5. Step 5: Solve for x
    x = 888,450,066.35/28,757.82
  6. Step 6: Final answer
    x = 30,894.21

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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.