Home / 28,885.42-43,329.68-8,110.54

Finding the Fourth Proportional to 28,885.42, 43,329.68 and 8,110.54

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Solution

The fourth proportional to 28,885.42, 43,329.68 and 8,110.54 is: 12,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.42 : 43,329.68 = 8,110.54 : x
  2. Step 2: Convert to fraction form
    28,885.42/43,329.68 = 8,110.54/x
  3. Step 3: Cross multiply
    28,885.42x = 43,329.68 × 8,110.54
  4. Step 4: Simplify right side
    28,885.42x = 351,427,062.27
  5. Step 5: Solve for x
    x = 351,427,062.27/28,885.42
  6. Step 6: Final answer
    x = 12,166.24

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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.