Home / 40,213.08-60,309.90-16,857

Finding the Fourth Proportional to 40,213.08, 60,309.90 and 16,857

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Solution

The fourth proportional to 40,213.08, 60,309.90 and 16,857 is: 25,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.08 : 60,309.90 = 16,857 : x
  2. Step 2: Convert to fraction form
    40,213.08/60,309.90 = 16,857/x
  3. Step 3: Cross multiply
    40,213.08x = 60,309.90 × 16,857
  4. Step 4: Simplify right side
    40,213.08x = 1,016,643,984.30
  5. Step 5: Solve for x
    x = 1,016,643,984.30/40,213.08
  6. Step 6: Final answer
    x = 25,281.43

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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.