Home / 26,519.20-39,769.92-10,720.16

Finding the Fourth Proportional to 26,519.20, 39,769.92 and 10,720.16

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Solution

The fourth proportional to 26,519.20, 39,769.92 and 10,720.16 is: 16,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.20 : 39,769.92 = 10,720.16 : x
  2. Step 2: Convert to fraction form
    26,519.20/39,769.92 = 10,720.16/x
  3. Step 3: Cross multiply
    26,519.20x = 39,769.92 × 10,720.16
  4. Step 4: Simplify right side
    26,519.20x = 426,339,905.59
  5. Step 5: Solve for x
    x = 426,339,905.59/26,519.20
  6. Step 6: Final answer
    x = 16,076.65

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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.