Home / 26,139.40-39,194.70-8,600.20

Finding the Fourth Proportional to 26,139.40, 39,194.70 and 8,600.20

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Solution

The fourth proportional to 26,139.40, 39,194.70 and 8,600.20 is: 12,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.40 : 39,194.70 = 8,600.20 : x
  2. Step 2: Convert to fraction form
    26,139.40/39,194.70 = 8,600.20/x
  3. Step 3: Cross multiply
    26,139.40x = 39,194.70 × 8,600.20
  4. Step 4: Simplify right side
    26,139.40x = 337,082,258.94
  5. Step 5: Solve for x
    x = 337,082,258.94/26,139.40
  6. Step 6: Final answer
    x = 12,895.56

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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.