Home / 28,519.56-39,358.26-15,944.31

Finding the Fourth Proportional to 28,519.56, 39,358.26 and 15,944.31

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Solution

The fourth proportional to 28,519.56, 39,358.26 and 15,944.31 is: 22,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.56 : 39,358.26 = 15,944.31 : x
  2. Step 2: Convert to fraction form
    28,519.56/39,358.26 = 15,944.31/x
  3. Step 3: Cross multiply
    28,519.56x = 39,358.26 × 15,944.31
  4. Step 4: Simplify right side
    28,519.56x = 627,540,298.50
  5. Step 5: Solve for x
    x = 627,540,298.50/28,519.56
  6. Step 6: Final answer
    x = 22,003.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.