Home / 26,820.87-40,202.15-11,220.27

Finding the Fourth Proportional to 26,820.87, 40,202.15 and 11,220.27

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Solution

The fourth proportional to 26,820.87, 40,202.15 and 11,220.27 is: 16,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.87 : 40,202.15 = 11,220.27 : x
  2. Step 2: Convert to fraction form
    26,820.87/40,202.15 = 11,220.27/x
  3. Step 3: Cross multiply
    26,820.87x = 40,202.15 × 11,220.27
  4. Step 4: Simplify right side
    26,820.87x = 451,078,921.48
  5. Step 5: Solve for x
    x = 451,078,921.48/26,820.87
  6. Step 6: Final answer
    x = 16,818.21

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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.