Home / 28,582.90-42,874.37-11,933.85

Finding the Fourth Proportional to 28,582.90, 42,874.37 and 11,933.85

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Solution

The fourth proportional to 28,582.90, 42,874.37 and 11,933.85 is: 17,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.90 : 42,874.37 = 11,933.85 : x
  2. Step 2: Convert to fraction form
    28,582.90/42,874.37 = 11,933.85/x
  3. Step 3: Cross multiply
    28,582.90x = 42,874.37 × 11,933.85
  4. Step 4: Simplify right side
    28,582.90x = 511,656,446.29
  5. Step 5: Solve for x
    x = 511,656,446.29/28,582.90
  6. Step 6: Final answer
    x = 17,900.79

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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.