Home / 28,251.13-39,027.06-22,578.43

Finding the Fourth Proportional to 28,251.13, 39,027.06 and 22,578.43

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Solution

The fourth proportional to 28,251.13, 39,027.06 and 22,578.43 is: 31,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.13 : 39,027.06 = 22,578.43 : x
  2. Step 2: Convert to fraction form
    28,251.13/39,027.06 = 22,578.43/x
  3. Step 3: Cross multiply
    28,251.13x = 39,027.06 × 22,578.43
  4. Step 4: Simplify right side
    28,251.13x = 881,169,742.32
  5. Step 5: Solve for x
    x = 881,169,742.32/28,251.13
  6. Step 6: Final answer
    x = 31,190.60

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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.