Home / 28,174.03-38,832.92-22,490.56

Finding the Fourth Proportional to 28,174.03, 38,832.92 and 22,490.56

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Solution

The fourth proportional to 28,174.03, 38,832.92 and 22,490.56 is: 30,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.03 : 38,832.92 = 22,490.56 : x
  2. Step 2: Convert to fraction form
    28,174.03/38,832.92 = 22,490.56/x
  3. Step 3: Cross multiply
    28,174.03x = 38,832.92 × 22,490.56
  4. Step 4: Simplify right side
    28,174.03x = 873,374,137.66
  5. Step 5: Solve for x
    x = 873,374,137.66/28,174.03
  6. Step 6: Final answer
    x = 30,999.26

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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.