Home / 28,026.32-41,992.77-19,691.42

Finding the Fourth Proportional to 28,026.32, 41,992.77 and 19,691.42

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Solution

The fourth proportional to 28,026.32, 41,992.77 and 19,691.42 is: 29,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.32 : 41,992.77 = 19,691.42 : x
  2. Step 2: Convert to fraction form
    28,026.32/41,992.77 = 19,691.42/x
  3. Step 3: Cross multiply
    28,026.32x = 41,992.77 × 19,691.42
  4. Step 4: Simplify right side
    28,026.32x = 826,897,061.07
  5. Step 5: Solve for x
    x = 826,897,061.07/28,026.32
  6. Step 6: Final answer
    x = 29,504.30

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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.