Home / 57,829.28-86,719.44-18,375.80

Finding the Fourth Proportional to 57,829.28, 86,719.44 and 18,375.80

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Solution

The fourth proportional to 57,829.28, 86,719.44 and 18,375.80 is: 27,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,829.28 : 86,719.44 = 18,375.80 : x
  2. Step 2: Convert to fraction form
    57,829.28/86,719.44 = 18,375.80/x
  3. Step 3: Cross multiply
    57,829.28x = 86,719.44 × 18,375.80
  4. Step 4: Simplify right side
    57,829.28x = 1,593,539,085.55
  5. Step 5: Solve for x
    x = 1,593,539,085.55/57,829.28
  6. Step 6: Final answer
    x = 27,555.92

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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.