Home / 19,232.20-28,775.22-11,737.78

Finding the Fourth Proportional to 19,232.20, 28,775.22 and 11,737.78

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Solution

The fourth proportional to 19,232.20, 28,775.22 and 11,737.78 is: 17,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.20 : 28,775.22 = 11,737.78 : x
  2. Step 2: Convert to fraction form
    19,232.20/28,775.22 = 11,737.78/x
  3. Step 3: Cross multiply
    19,232.20x = 28,775.22 × 11,737.78
  4. Step 4: Simplify right side
    19,232.20x = 337,757,201.81
  5. Step 5: Solve for x
    x = 337,757,201.81/19,232.20
  6. Step 6: Final answer
    x = 17,562.07

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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.