Home / 26,139.24-39,204.81-8,609.22

Finding the Fourth Proportional to 26,139.24, 39,204.81 and 8,609.22

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Solution

The fourth proportional to 26,139.24, 39,204.81 and 8,609.22 is: 12,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.24 : 39,204.81 = 8,609.22 : x
  2. Step 2: Convert to fraction form
    26,139.24/39,204.81 = 8,609.22/x
  3. Step 3: Cross multiply
    26,139.24x = 39,204.81 × 8,609.22
  4. Step 4: Simplify right side
    26,139.24x = 337,522,834.35
  5. Step 5: Solve for x
    x = 337,522,834.35/26,139.24
  6. Step 6: Final answer
    x = 12,912.50

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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.