Home / 26,375.73-36,395.28-21,011.83

Finding the Fourth Proportional to 26,375.73, 36,395.28 and 21,011.83

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Solution

The fourth proportional to 26,375.73, 36,395.28 and 21,011.83 is: 28,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.73 : 36,395.28 = 21,011.83 : x
  2. Step 2: Convert to fraction form
    26,375.73/36,395.28 = 21,011.83/x
  3. Step 3: Cross multiply
    26,375.73x = 36,395.28 × 21,011.83
  4. Step 4: Simplify right side
    26,375.73x = 764,731,436.16
  5. Step 5: Solve for x
    x = 764,731,436.16/26,375.73
  6. Step 6: Final answer
    x = 28,993.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.