Home / 26,772.25-40,129.38-11,960.77

Finding the Fourth Proportional to 26,772.25, 40,129.38 and 11,960.77

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Solution

The fourth proportional to 26,772.25, 40,129.38 and 11,960.77 is: 17,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.25 : 40,129.38 = 11,960.77 : x
  2. Step 2: Convert to fraction form
    26,772.25/40,129.38 = 11,960.77/x
  3. Step 3: Cross multiply
    26,772.25x = 40,129.38 × 11,960.77
  4. Step 4: Simplify right side
    26,772.25x = 479,978,284.42
  5. Step 5: Solve for x
    x = 479,978,284.42/26,772.25
  6. Step 6: Final answer
    x = 17,928.20

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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.