Home / 26,520.20-39,771.42-10,721.16

Finding the Fourth Proportional to 26,520.20, 39,771.42 and 10,721.16

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Solution

The fourth proportional to 26,520.20, 39,771.42 and 10,721.16 is: 16,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.20 : 39,771.42 = 10,721.16 : x
  2. Step 2: Convert to fraction form
    26,520.20/39,771.42 = 10,721.16/x
  3. Step 3: Cross multiply
    26,520.20x = 39,771.42 × 10,721.16
  4. Step 4: Simplify right side
    26,520.20x = 426,395,757.25
  5. Step 5: Solve for x
    x = 426,395,757.25/26,520.20
  6. Step 6: Final answer
    x = 16,078.15

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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.