Home / 26,213.20-39,325.26-8,684.40

Finding the Fourth Proportional to 26,213.20, 39,325.26 and 8,684.40

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Solution

The fourth proportional to 26,213.20, 39,325.26 and 8,684.40 is: 13,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.20 : 39,325.26 = 8,684.40 : x
  2. Step 2: Convert to fraction form
    26,213.20/39,325.26 = 8,684.40/x
  3. Step 3: Cross multiply
    26,213.20x = 39,325.26 × 8,684.40
  4. Step 4: Simplify right side
    26,213.20x = 341,516,287.94
  5. Step 5: Solve for x
    x = 341,516,287.94/26,213.20
  6. Step 6: Final answer
    x = 13,028.41

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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.