Home / 20,026.91-30,042.41-6,877.58

Finding the Fourth Proportional to 20,026.91, 30,042.41 and 6,877.58

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Solution

The fourth proportional to 20,026.91, 30,042.41 and 6,877.58 is: 10,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.91 : 30,042.41 = 6,877.58 : x
  2. Step 2: Convert to fraction form
    20,026.91/30,042.41 = 6,877.58/x
  3. Step 3: Cross multiply
    20,026.91x = 30,042.41 × 6,877.58
  4. Step 4: Simplify right side
    20,026.91x = 206,618,893.57
  5. Step 5: Solve for x
    x = 206,618,893.57/20,026.91
  6. Step 6: Final answer
    x = 10,317.06

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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.