Home / 19,095.24-28,644.23-7,990.75

Finding the Fourth Proportional to 19,095.24, 28,644.23 and 7,990.75

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Solution

The fourth proportional to 19,095.24, 28,644.23 and 7,990.75 is: 11,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.24 : 28,644.23 = 7,990.75 : x
  2. Step 2: Convert to fraction form
    19,095.24/28,644.23 = 7,990.75/x
  3. Step 3: Cross multiply
    19,095.24x = 28,644.23 × 7,990.75
  4. Step 4: Simplify right side
    19,095.24x = 228,888,936.65
  5. Step 5: Solve for x
    x = 228,888,936.65/19,095.24
  6. Step 6: Final answer
    x = 11,986.70

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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.