Home / 26,813.80-40,230.30-11,236.20

Finding the Fourth Proportional to 26,813.80, 40,230.30 and 11,236.20

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Solution

The fourth proportional to 26,813.80, 40,230.30 and 11,236.20 is: 16,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.80 : 40,230.30 = 11,236.20 : x
  2. Step 2: Convert to fraction form
    26,813.80/40,230.30 = 11,236.20/x
  3. Step 3: Cross multiply
    26,813.80x = 40,230.30 × 11,236.20
  4. Step 4: Simplify right side
    26,813.80x = 452,035,696.86
  5. Step 5: Solve for x
    x = 452,035,696.86/26,813.80
  6. Step 6: Final answer
    x = 16,858.32

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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.