Home / 26,728.76-39,994.92-21,447.96

Finding the Fourth Proportional to 26,728.76, 39,994.92 and 21,447.96

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Solution

The fourth proportional to 26,728.76, 39,994.92 and 21,447.96 is: 32,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.76 : 39,994.92 = 21,447.96 : x
  2. Step 2: Convert to fraction form
    26,728.76/39,994.92 = 21,447.96/x
  3. Step 3: Cross multiply
    26,728.76x = 39,994.92 × 21,447.96
  4. Step 4: Simplify right side
    26,728.76x = 857,809,444.36
  5. Step 5: Solve for x
    x = 857,809,444.36/26,728.76
  6. Step 6: Final answer
    x = 32,093.13

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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.