Home / 26,571.90-39,839.40-11,772.75

Finding the Fourth Proportional to 26,571.90, 39,839.40 and 11,772.75

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Solution

The fourth proportional to 26,571.90, 39,839.40 and 11,772.75 is: 17,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.90 : 39,839.40 = 11,772.75 : x
  2. Step 2: Convert to fraction form
    26,571.90/39,839.40 = 11,772.75/x
  3. Step 3: Cross multiply
    26,571.90x = 39,839.40 × 11,772.75
  4. Step 4: Simplify right side
    26,571.90x = 469,019,296.35
  5. Step 5: Solve for x
    x = 469,019,296.35/26,571.90
  6. Step 6: Final answer
    x = 17,650.95

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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.