Home / 28,835.85-43,253.78-12,193.23

Finding the Fourth Proportional to 28,835.85, 43,253.78 and 12,193.23

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Solution

The fourth proportional to 28,835.85, 43,253.78 and 12,193.23 is: 18,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.85 : 43,253.78 = 12,193.23 : x
  2. Step 2: Convert to fraction form
    28,835.85/43,253.78 = 12,193.23/x
  3. Step 3: Cross multiply
    28,835.85x = 43,253.78 × 12,193.23
  4. Step 4: Simplify right side
    28,835.85x = 527,403,226.94
  5. Step 5: Solve for x
    x = 527,403,226.94/28,835.85
  6. Step 6: Final answer
    x = 18,289.85

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Similar ratio
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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.