Home / 54,286.08-81,426.49-14,843.28

Finding the Fourth Proportional to 54,286.08, 81,426.49 and 14,843.28

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Solution

The fourth proportional to 54,286.08, 81,426.49 and 14,843.28 is: 22,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.08 : 81,426.49 = 14,843.28 : x
  2. Step 2: Convert to fraction form
    54,286.08/81,426.49 = 14,843.28/x
  3. Step 3: Cross multiply
    54,286.08x = 81,426.49 × 14,843.28
  4. Step 4: Simplify right side
    54,286.08x = 1,208,636,190.49
  5. Step 5: Solve for x
    x = 1,208,636,190.49/54,286.08
  6. Step 6: Final answer
    x = 22,264.20

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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.