Home / 28,634.48-42,951.19-11,763.91

Finding the Fourth Proportional to 28,634.48, 42,951.19 and 11,763.91

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Solution

The fourth proportional to 28,634.48, 42,951.19 and 11,763.91 is: 17,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.48 : 42,951.19 = 11,763.91 : x
  2. Step 2: Convert to fraction form
    28,634.48/42,951.19 = 11,763.91/x
  3. Step 3: Cross multiply
    28,634.48x = 42,951.19 × 11,763.91
  4. Step 4: Simplify right side
    28,634.48x = 505,273,933.55
  5. Step 5: Solve for x
    x = 505,273,933.55/28,634.48
  6. Step 6: Final answer
    x = 17,645.65

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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.