Home / 26,584.20-39,908.70-13,429.80

Finding the Fourth Proportional to 26,584.20, 39,908.70 and 13,429.80

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Solution

The fourth proportional to 26,584.20, 39,908.70 and 13,429.80 is: 20,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,584.20 : 39,908.70 = 13,429.80 : x
  2. Step 2: Convert to fraction form
    26,584.20/39,908.70 = 13,429.80/x
  3. Step 3: Cross multiply
    26,584.20x = 39,908.70 × 13,429.80
  4. Step 4: Simplify right side
    26,584.20x = 535,965,859.26
  5. Step 5: Solve for x
    x = 535,965,859.26/26,584.20
  6. Step 6: Final answer
    x = 20,161.07

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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.