Home / 54,284.68-81,428.04-16,845.98

Finding the Fourth Proportional to 54,284.68, 81,428.04 and 16,845.98

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Solution

The fourth proportional to 54,284.68, 81,428.04 and 16,845.98 is: 25,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.68 : 81,428.04 = 16,845.98 : x
  2. Step 2: Convert to fraction form
    54,284.68/81,428.04 = 16,845.98/x
  3. Step 3: Cross multiply
    54,284.68x = 81,428.04 × 16,845.98
  4. Step 4: Simplify right side
    54,284.68x = 1,371,734,726.14
  5. Step 5: Solve for x
    x = 1,371,734,726.14/54,284.68
  6. Step 6: Final answer
    x = 25,269.28

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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.