Home / 28,816.60-43,207.60-11,265.52

Finding the Fourth Proportional to 28,816.60, 43,207.60 and 11,265.52

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Solution

The fourth proportional to 28,816.60, 43,207.60 and 11,265.52 is: 16,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.60 : 43,207.60 = 11,265.52 : x
  2. Step 2: Convert to fraction form
    28,816.60/43,207.60 = 11,265.52/x
  3. Step 3: Cross multiply
    28,816.60x = 43,207.60 × 11,265.52
  4. Step 4: Simplify right side
    28,816.60x = 486,756,081.95
  5. Step 5: Solve for x
    x = 486,756,081.95/28,816.60
  6. Step 6: Final answer
    x = 16,891.52

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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.