Home / 21,790.92-32,686.32-5,994.78

Finding the Fourth Proportional to 21,790.92, 32,686.32 and 5,994.78

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Solution

The fourth proportional to 21,790.92, 32,686.32 and 5,994.78 is: 8,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.92 : 32,686.32 = 5,994.78 : x
  2. Step 2: Convert to fraction form
    21,790.92/32,686.32 = 5,994.78/x
  3. Step 3: Cross multiply
    21,790.92x = 32,686.32 × 5,994.78
  4. Step 4: Simplify right side
    21,790.92x = 195,947,297.41
  5. Step 5: Solve for x
    x = 195,947,297.41/21,790.92
  6. Step 6: Final answer
    x = 8,992.15

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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.