Home / 54,428.15-81,645.26-16,993.39

Finding the Fourth Proportional to 54,428.15, 81,645.26 and 16,993.39

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Solution

The fourth proportional to 54,428.15, 81,645.26 and 16,993.39 is: 25,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.15 : 81,645.26 = 16,993.39 : x
  2. Step 2: Convert to fraction form
    54,428.15/81,645.26 = 16,993.39/x
  3. Step 3: Cross multiply
    54,428.15x = 81,645.26 × 16,993.39
  4. Step 4: Simplify right side
    54,428.15x = 1,387,429,744.83
  5. Step 5: Solve for x
    x = 1,387,429,744.83/54,428.15
  6. Step 6: Final answer
    x = 25,491.03

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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.