Home / 20,050.80-27,671.64-12,092.88

Finding the Fourth Proportional to 20,050.80, 27,671.64 and 12,092.88

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Solution

The fourth proportional to 20,050.80, 27,671.64 and 12,092.88 is: 16,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.80 : 27,671.64 = 12,092.88 : x
  2. Step 2: Convert to fraction form
    20,050.80/27,671.64 = 12,092.88/x
  3. Step 3: Cross multiply
    20,050.80x = 27,671.64 × 12,092.88
  4. Step 4: Simplify right side
    20,050.80x = 334,629,821.92
  5. Step 5: Solve for x
    x = 334,629,821.92/20,050.80
  6. Step 6: Final answer
    x = 16,689.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.