Home / 26,143.20-39,231-10,560.96

Finding the Fourth Proportional to 26,143.20, 39,231 and 10,560.96

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Solution

The fourth proportional to 26,143.20, 39,231 and 10,560.96 is: 15,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.20 : 39,231 = 10,560.96 : x
  2. Step 2: Convert to fraction form
    26,143.20/39,231 = 10,560.96/x
  3. Step 3: Cross multiply
    26,143.20x = 39,231 × 10,560.96
  4. Step 4: Simplify right side
    26,143.20x = 414,317,021.76
  5. Step 5: Solve for x
    x = 414,317,021.76/26,143.20
  6. Step 6: Final answer
    x = 15,847.98

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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.