Home / 28,360.62-42,558.14-10,604.20

Finding the Fourth Proportional to 28,360.62, 42,558.14 and 10,604.20

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Solution

The fourth proportional to 28,360.62, 42,558.14 and 10,604.20 is: 15,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.62 : 42,558.14 = 10,604.20 : x
  2. Step 2: Convert to fraction form
    28,360.62/42,558.14 = 10,604.20/x
  3. Step 3: Cross multiply
    28,360.62x = 42,558.14 × 10,604.20
  4. Step 4: Simplify right side
    28,360.62x = 451,295,028.19
  5. Step 5: Solve for x
    x = 451,295,028.19/28,360.62
  6. Step 6: Final answer
    x = 15,912.73

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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.