Home / 38,226.87-57,338.28-11,928.60

Finding the Fourth Proportional to 38,226.87, 57,338.28 and 11,928.60

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Solution

The fourth proportional to 38,226.87, 57,338.28 and 11,928.60 is: 17,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.87 : 57,338.28 = 11,928.60 : x
  2. Step 2: Convert to fraction form
    38,226.87/57,338.28 = 11,928.60/x
  3. Step 3: Cross multiply
    38,226.87x = 57,338.28 × 11,928.60
  4. Step 4: Simplify right side
    38,226.87x = 683,965,406.81
  5. Step 5: Solve for x
    x = 683,965,406.81/38,226.87
  6. Step 6: Final answer
    x = 17,892.27

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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.