Home / 82,628.73-123,958.89-26,464.34

Finding the Fourth Proportional to 82,628.73, 123,958.89 and 26,464.34

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Solution

The fourth proportional to 82,628.73, 123,958.89 and 26,464.34 is: 39,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.73 : 123,958.89 = 26,464.34 : x
  2. Step 2: Convert to fraction form
    82,628.73/123,958.89 = 26,464.34/x
  3. Step 3: Cross multiply
    82,628.73x = 123,958.89 × 26,464.34
  4. Step 4: Simplify right side
    82,628.73x = 3,280,490,520.88
  5. Step 5: Solve for x
    x = 3,280,490,520.88/82,628.73
  6. Step 6: Final answer
    x = 39,701.57

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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.