Home / 38,147.96-57,231.88-14,455.68

Finding the Fourth Proportional to 38,147.96, 57,231.88 and 14,455.68

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Solution

The fourth proportional to 38,147.96, 57,231.88 and 14,455.68 is: 21,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.96 : 57,231.88 = 14,455.68 : x
  2. Step 2: Convert to fraction form
    38,147.96/57,231.88 = 14,455.68/x
  3. Step 3: Cross multiply
    38,147.96x = 57,231.88 × 14,455.68
  4. Step 4: Simplify right side
    38,147.96x = 827,325,743.08
  5. Step 5: Solve for x
    x = 827,325,743.08/38,147.96
  6. Step 6: Final answer
    x = 21,687.29

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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.