Home / 43,173.38-64,721.65-16,872.14

Finding the Fourth Proportional to 43,173.38, 64,721.65 and 16,872.14

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Solution

The fourth proportional to 43,173.38, 64,721.65 and 16,872.14 is: 25,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.38 : 64,721.65 = 16,872.14 : x
  2. Step 2: Convert to fraction form
    43,173.38/64,721.65 = 16,872.14/x
  3. Step 3: Cross multiply
    43,173.38x = 64,721.65 × 16,872.14
  4. Step 4: Simplify right side
    43,173.38x = 1,091,992,739.83
  5. Step 5: Solve for x
    x = 1,091,992,739.83/43,173.38
  6. Step 6: Final answer
    x = 25,293.20

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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.