Home / 28,579.23-42,694.49-22,742.37

Finding the Fourth Proportional to 28,579.23, 42,694.49 and 22,742.37

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Solution

The fourth proportional to 28,579.23, 42,694.49 and 22,742.37 is: 33,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.23 : 42,694.49 = 22,742.37 : x
  2. Step 2: Convert to fraction form
    28,579.23/42,694.49 = 22,742.37/x
  3. Step 3: Cross multiply
    28,579.23x = 42,694.49 × 22,742.37
  4. Step 4: Simplify right side
    28,579.23x = 970,973,945.40
  5. Step 5: Solve for x
    x = 970,973,945.40/28,579.23
  6. Step 6: Final answer
    x = 33,974.81

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.