Home / 19,943.20-29,914.80-16,832.80

Finding the Fourth Proportional to 19,943.20, 29,914.80 and 16,832.80

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Solution

The fourth proportional to 19,943.20, 29,914.80 and 16,832.80 is: 25,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.20 : 29,914.80 = 16,832.80 : x
  2. Step 2: Convert to fraction form
    19,943.20/29,914.80 = 16,832.80/x
  3. Step 3: Cross multiply
    19,943.20x = 29,914.80 × 16,832.80
  4. Step 4: Simplify right side
    19,943.20x = 503,549,845.44
  5. Step 5: Solve for x
    x = 503,549,845.44/19,943.20
  6. Step 6: Final answer
    x = 25,249.20

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1.5x scale

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.