Home / 28,908.48-43,352.37-12,269.67

Finding the Fourth Proportional to 28,908.48, 43,352.37 and 12,269.67

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Solution

The fourth proportional to 28,908.48, 43,352.37 and 12,269.67 is: 18,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.48 : 43,352.37 = 12,269.67 : x
  2. Step 2: Convert to fraction form
    28,908.48/43,352.37 = 12,269.67/x
  3. Step 3: Cross multiply
    28,908.48x = 43,352.37 × 12,269.67
  4. Step 4: Simplify right side
    28,908.48x = 531,919,273.62
  5. Step 5: Solve for x
    x = 531,919,273.62/28,908.48
  6. Step 6: Final answer
    x = 18,400.11

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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.