Home / 20,057.97-27,671.31-12,095.78

Finding the Fourth Proportional to 20,057.97, 27,671.31 and 12,095.78

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Solution

The fourth proportional to 20,057.97, 27,671.31 and 12,095.78 is: 16,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.97 : 27,671.31 = 12,095.78 : x
  2. Step 2: Convert to fraction form
    20,057.97/27,671.31 = 12,095.78/x
  3. Step 3: Cross multiply
    20,057.97x = 27,671.31 × 12,095.78
  4. Step 4: Simplify right side
    20,057.97x = 334,705,939.72
  5. Step 5: Solve for x
    x = 334,705,939.72/20,057.97
  6. Step 6: Final answer
    x = 16,686.93

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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.