Home / 54,628.69-81,928.44-15,187.97

Finding the Fourth Proportional to 54,628.69, 81,928.44 and 15,187.97

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Solution

The fourth proportional to 54,628.69, 81,928.44 and 15,187.97 is: 22,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.69 : 81,928.44 = 15,187.97 : x
  2. Step 2: Convert to fraction form
    54,628.69/81,928.44 = 15,187.97/x
  3. Step 3: Cross multiply
    54,628.69x = 81,928.44 × 15,187.97
  4. Step 4: Simplify right side
    54,628.69x = 1,244,326,688.87
  5. Step 5: Solve for x
    x = 1,244,326,688.87/54,628.69
  6. Step 6: Final answer
    x = 22,777.90

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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.