Home / 38,216.55-57,311.18-15,720.66

Finding the Fourth Proportional to 38,216.55, 57,311.18 and 15,720.66

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Solution

The fourth proportional to 38,216.55, 57,311.18 and 15,720.66 is: 23,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216.55 : 57,311.18 = 15,720.66 : x
  2. Step 2: Convert to fraction form
    38,216.55/57,311.18 = 15,720.66/x
  3. Step 3: Cross multiply
    38,216.55x = 57,311.18 × 15,720.66
  4. Step 4: Simplify right side
    38,216.55x = 900,969,399.36
  5. Step 5: Solve for x
    x = 900,969,399.36/38,216.55
  6. Step 6: Final answer
    x = 23,575.37

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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.