Home / 28,923.54-43,354.26-12,269.52

Finding the Fourth Proportional to 28,923.54, 43,354.26 and 12,269.52

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Solution

The fourth proportional to 28,923.54, 43,354.26 and 12,269.52 is: 18,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.54 : 43,354.26 = 12,269.52 : x
  2. Step 2: Convert to fraction form
    28,923.54/43,354.26 = 12,269.52/x
  3. Step 3: Cross multiply
    28,923.54x = 43,354.26 × 12,269.52
  4. Step 4: Simplify right side
    28,923.54x = 531,935,960.16
  5. Step 5: Solve for x
    x = 531,935,960.16/28,923.54
  6. Step 6: Final answer
    x = 18,391.11

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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.