Home / 28,057.14-42,087.16-26,638.33

Finding the Fourth Proportional to 28,057.14, 42,087.16 and 26,638.33

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Solution

The fourth proportional to 28,057.14, 42,087.16 and 26,638.33 is: 39,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.14 : 42,087.16 = 26,638.33 : x
  2. Step 2: Convert to fraction form
    28,057.14/42,087.16 = 26,638.33/x
  3. Step 3: Cross multiply
    28,057.14x = 42,087.16 × 26,638.33
  4. Step 4: Simplify right side
    28,057.14x = 1,121,131,656.84
  5. Step 5: Solve for x
    x = 1,121,131,656.84/28,057.14
  6. Step 6: Final answer
    x = 39,958.87

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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.