Home / 57,308.94-85,959.34-15,188.09

Finding the Fourth Proportional to 57,308.94, 85,959.34 and 15,188.09

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Solution

The fourth proportional to 57,308.94, 85,959.34 and 15,188.09 is: 22,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.94 : 85,959.34 = 15,188.09 : x
  2. Step 2: Convert to fraction form
    57,308.94/85,959.34 = 15,188.09/x
  3. Step 3: Cross multiply
    57,308.94x = 85,959.34 × 15,188.09
  4. Step 4: Simplify right side
    57,308.94x = 1,305,557,724.49
  5. Step 5: Solve for x
    x = 1,305,557,724.49/57,308.94
  6. Step 6: Final answer
    x = 22,781.05

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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.