Home / 57,833.28-86,725.44-18,379.80

Finding the Fourth Proportional to 57,833.28, 86,725.44 and 18,379.80

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Solution

The fourth proportional to 57,833.28, 86,725.44 and 18,379.80 is: 27,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,833.28 : 86,725.44 = 18,379.80 : x
  2. Step 2: Convert to fraction form
    57,833.28/86,725.44 = 18,379.80/x
  3. Step 3: Cross multiply
    57,833.28x = 86,725.44 × 18,379.80
  4. Step 4: Simplify right side
    57,833.28x = 1,593,996,242.11
  5. Step 5: Solve for x
    x = 1,593,996,242.11/57,833.28
  6. Step 6: Final answer
    x = 27,561.92

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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.