Home / 54,282.08-81,428.52-16,840.64

Finding the Fourth Proportional to 54,282.08, 81,428.52 and 16,840.64

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Solution

The fourth proportional to 54,282.08, 81,428.52 and 16,840.64 is: 25,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.08 : 81,428.52 = 16,840.64 : x
  2. Step 2: Convert to fraction form
    54,282.08/81,428.52 = 16,840.64/x
  3. Step 3: Cross multiply
    54,282.08x = 81,428.52 × 16,840.64
  4. Step 4: Simplify right side
    54,282.08x = 1,371,308,391.05
  5. Step 5: Solve for x
    x = 1,371,308,391.05/54,282.08
  6. Step 6: Final answer
    x = 25,262.64

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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.