Home / 38,564.28-57,845.34-12,270.60

Finding the Fourth Proportional to 38,564.28, 57,845.34 and 12,270.60

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Solution

The fourth proportional to 38,564.28, 57,845.34 and 12,270.60 is: 18,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.28 : 57,845.34 = 12,270.60 : x
  2. Step 2: Convert to fraction form
    38,564.28/57,845.34 = 12,270.60/x
  3. Step 3: Cross multiply
    38,564.28x = 57,845.34 × 12,270.60
  4. Step 4: Simplify right side
    38,564.28x = 709,797,029.00
  5. Step 5: Solve for x
    x = 709,797,029.00/38,564.28
  6. Step 6: Final answer
    x = 18,405.56

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1.5x scale

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.