Home / 57,268.80-85,911.36-17,829.88

Finding the Fourth Proportional to 57,268.80, 85,911.36 and 17,829.88

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Solution

The fourth proportional to 57,268.80, 85,911.36 and 17,829.88 is: 26,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,268.80 : 85,911.36 = 17,829.88 : x
  2. Step 2: Convert to fraction form
    57,268.80/85,911.36 = 17,829.88/x
  3. Step 3: Cross multiply
    57,268.80x = 85,911.36 × 17,829.88
  4. Step 4: Simplify right side
    57,268.80x = 1,531,789,239.44
  5. Step 5: Solve for x
    x = 1,531,789,239.44/57,268.80
  6. Step 6: Final answer
    x = 26,747.36

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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.