Home / 28,945.48-43,418.67-9,240.61

Finding the Fourth Proportional to 28,945.48, 43,418.67 and 9,240.61

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Solution

The fourth proportional to 28,945.48, 43,418.67 and 9,240.61 is: 13,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.48 : 43,418.67 = 9,240.61 : x
  2. Step 2: Convert to fraction form
    28,945.48/43,418.67 = 9,240.61/x
  3. Step 3: Cross multiply
    28,945.48x = 43,418.67 × 9,240.61
  4. Step 4: Simplify right side
    28,945.48x = 401,214,996.19
  5. Step 5: Solve for x
    x = 401,214,996.19/28,945.48
  6. Step 6: Final answer
    x = 13,861.06

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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.