Home / 20,271.88-30,407.82-16,193.80

Finding the Fourth Proportional to 20,271.88, 30,407.82 and 16,193.80

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Solution

The fourth proportional to 20,271.88, 30,407.82 and 16,193.80 is: 24,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271.88 : 30,407.82 = 16,193.80 : x
  2. Step 2: Convert to fraction form
    20,271.88/30,407.82 = 16,193.80/x
  3. Step 3: Cross multiply
    20,271.88x = 30,407.82 × 16,193.80
  4. Step 4: Simplify right side
    20,271.88x = 492,418,155.52
  5. Step 5: Solve for x
    x = 492,418,155.52/20,271.88
  6. Step 6: Final answer
    x = 24,290.70

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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.