Home / 21,293.12-31,910.88-16,677.44

Finding the Fourth Proportional to 21,293.12, 31,910.88 and 16,677.44

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Solution

The fourth proportional to 21,293.12, 31,910.88 and 16,677.44 is: 24,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.12 : 31,910.88 = 16,677.44 : x
  2. Step 2: Convert to fraction form
    21,293.12/31,910.88 = 16,677.44/x
  3. Step 3: Cross multiply
    21,293.12x = 31,910.88 × 16,677.44
  4. Step 4: Simplify right side
    21,293.12x = 532,191,786.55
  5. Step 5: Solve for x
    x = 532,191,786.55/21,293.12
  6. Step 6: Final answer
    x = 24,993.60

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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.