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Finding the Fourth Proportional to 56,004.80, 83,978.03 and 26,414.69

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Solution

The fourth proportional to 56,004.80, 83,978.03 and 26,414.69 is: 39,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004.80 : 83,978.03 = 26,414.69 : x
  2. Step 2: Convert to fraction form
    56,004.80/83,978.03 = 26,414.69/x
  3. Step 3: Cross multiply
    56,004.80x = 83,978.03 × 26,414.69
  4. Step 4: Simplify right side
    56,004.80x = 2,218,253,629.26
  5. Step 5: Solve for x
    x = 2,218,253,629.26/56,004.80
  6. Step 6: Final answer
    x = 39,608.28

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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.