Home / 28,805.34-43,213.05-13,224.54

Finding the Fourth Proportional to 28,805.34, 43,213.05 and 13,224.54

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Solution

The fourth proportional to 28,805.34, 43,213.05 and 13,224.54 is: 19,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.34 : 43,213.05 = 13,224.54 : x
  2. Step 2: Convert to fraction form
    28,805.34/43,213.05 = 13,224.54/x
  3. Step 3: Cross multiply
    28,805.34x = 43,213.05 × 13,224.54
  4. Step 4: Simplify right side
    28,805.34x = 571,472,708.25
  5. Step 5: Solve for x
    x = 571,472,708.25/28,805.34
  6. Step 6: Final answer
    x = 19,839.12

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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.