Home / 28,481.82-39,296.79-18,410.46

Finding the Fourth Proportional to 28,481.82, 39,296.79 and 18,410.46

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Solution

The fourth proportional to 28,481.82, 39,296.79 and 18,410.46 is: 25,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.82 : 39,296.79 = 18,410.46 : x
  2. Step 2: Convert to fraction form
    28,481.82/39,296.79 = 18,410.46/x
  3. Step 3: Cross multiply
    28,481.82x = 39,296.79 × 18,410.46
  4. Step 4: Simplify right side
    28,481.82x = 723,471,980.42
  5. Step 5: Solve for x
    x = 723,471,980.42/28,481.82
  6. Step 6: Final answer
    x = 25,401.19

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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.