Home / 28,885.92-43,330.41-8,111.04

Finding the Fourth Proportional to 28,885.92, 43,330.41 and 8,111.04

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Solution

The fourth proportional to 28,885.92, 43,330.41 and 8,111.04 is: 12,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.92 : 43,330.41 = 8,111.04 : x
  2. Step 2: Convert to fraction form
    28,885.92/43,330.41 = 8,111.04/x
  3. Step 3: Cross multiply
    28,885.92x = 43,330.41 × 8,111.04
  4. Step 4: Simplify right side
    28,885.92x = 351,454,688.73
  5. Step 5: Solve for x
    x = 351,454,688.73/28,885.92
  6. Step 6: Final answer
    x = 12,166.99

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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.