Home / 28,591.94-39,458.46-15,844.86

Finding the Fourth Proportional to 28,591.94, 39,458.46 and 15,844.86

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Solution

The fourth proportional to 28,591.94, 39,458.46 and 15,844.86 is: 21,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.94 : 39,458.46 = 15,844.86 : x
  2. Step 2: Convert to fraction form
    28,591.94/39,458.46 = 15,844.86/x
  3. Step 3: Cross multiply
    28,591.94x = 39,458.46 × 15,844.86
  4. Step 4: Simplify right side
    28,591.94x = 625,213,774.52
  5. Step 5: Solve for x
    x = 625,213,774.52/28,591.94
  6. Step 6: Final answer
    x = 21,866.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.