Home / 82,426.28-123,638.07-26,265.62

Finding the Fourth Proportional to 82,426.28, 123,638.07 and 26,265.62

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Solution

The fourth proportional to 82,426.28, 123,638.07 and 26,265.62 is: 39,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,426.28 : 123,638.07 = 26,265.62 : x
  2. Step 2: Convert to fraction form
    82,426.28/123,638.07 = 26,265.62/x
  3. Step 3: Cross multiply
    82,426.28x = 123,638.07 × 26,265.62
  4. Step 4: Simplify right side
    82,426.28x = 3,247,430,202.41
  5. Step 5: Solve for x
    x = 3,247,430,202.41/82,426.28
  6. Step 6: Final answer
    x = 39,397.99

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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.