Home / 26,179.12-39,269.94-8,648.56

Finding the Fourth Proportional to 26,179.12, 39,269.94 and 8,648.56

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Solution

The fourth proportional to 26,179.12, 39,269.94 and 8,648.56 is: 12,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.12 : 39,269.94 = 8,648.56 : x
  2. Step 2: Convert to fraction form
    26,179.12/39,269.94 = 8,648.56/x
  3. Step 3: Cross multiply
    26,179.12x = 39,269.94 × 8,648.56
  4. Step 4: Simplify right side
    26,179.12x = 339,628,432.29
  5. Step 5: Solve for x
    x = 339,628,432.29/26,179.12
  6. Step 6: Final answer
    x = 12,973.26

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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.