Home / 28,367.06-42,550.59-12,789.14

Finding the Fourth Proportional to 28,367.06, 42,550.59 and 12,789.14

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Solution

The fourth proportional to 28,367.06, 42,550.59 and 12,789.14 is: 19,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.06 : 42,550.59 = 12,789.14 : x
  2. Step 2: Convert to fraction form
    28,367.06/42,550.59 = 12,789.14/x
  3. Step 3: Cross multiply
    28,367.06x = 42,550.59 × 12,789.14
  4. Step 4: Simplify right side
    28,367.06x = 544,185,452.59
  5. Step 5: Solve for x
    x = 544,185,452.59/28,367.06
  6. Step 6: Final answer
    x = 19,183.71

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1.5x scale

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.