Home / 28,813.14-39,795.21-19,236.33

Finding the Fourth Proportional to 28,813.14, 39,795.21 and 19,236.33

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Solution

The fourth proportional to 28,813.14, 39,795.21 and 19,236.33 is: 26,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.14 : 39,795.21 = 19,236.33 : x
  2. Step 2: Convert to fraction form
    28,813.14/39,795.21 = 19,236.33/x
  3. Step 3: Cross multiply
    28,813.14x = 39,795.21 × 19,236.33
  4. Step 4: Simplify right side
    28,813.14x = 765,513,791.98
  5. Step 5: Solve for x
    x = 765,513,791.98/28,813.14
  6. Step 6: Final answer
    x = 26,568.22

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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.