Home / 19,180.99-28,760.55-10,285.37

Finding the Fourth Proportional to 19,180.99, 28,760.55 and 10,285.37

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Solution

The fourth proportional to 19,180.99, 28,760.55 and 10,285.37 is: 15,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.99 : 28,760.55 = 10,285.37 : x
  2. Step 2: Convert to fraction form
    19,180.99/28,760.55 = 10,285.37/x
  3. Step 3: Cross multiply
    19,180.99x = 28,760.55 × 10,285.37
  4. Step 4: Simplify right side
    19,180.99x = 295,812,898.15
  5. Step 5: Solve for x
    x = 295,812,898.15/19,180.99
  6. Step 6: Final answer
    x = 15,422.19

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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.