Home / 20,843.94-31,298.31-16,910.58

Finding the Fourth Proportional to 20,843.94, 31,298.31 and 16,910.58

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Solution

The fourth proportional to 20,843.94, 31,298.31 and 16,910.58 is: 25,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.94 : 31,298.31 = 16,910.58 : x
  2. Step 2: Convert to fraction form
    20,843.94/31,298.31 = 16,910.58/x
  3. Step 3: Cross multiply
    20,843.94x = 31,298.31 × 16,910.58
  4. Step 4: Simplify right side
    20,843.94x = 529,272,575.12
  5. Step 5: Solve for x
    x = 529,272,575.12/20,843.94
  6. Step 6: Final answer
    x = 25,392.16

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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.