Home / 18,007.91-27,025.98-12,500.01

Finding the Fourth Proportional to 18,007.91, 27,025.98 and 12,500.01

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Solution

The fourth proportional to 18,007.91, 27,025.98 and 12,500.01 is: 18,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.91 : 27,025.98 = 12,500.01 : x
  2. Step 2: Convert to fraction form
    18,007.91/27,025.98 = 12,500.01/x
  3. Step 3: Cross multiply
    18,007.91x = 27,025.98 × 12,500.01
  4. Step 4: Simplify right side
    18,007.91x = 337,825,020.26
  5. Step 5: Solve for x
    x = 337,825,020.26/18,007.91
  6. Step 6: Final answer
    x = 18,759.82

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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.