Home / 28,097.60-38,773.55-15,999.73

Finding the Fourth Proportional to 28,097.60, 38,773.55 and 15,999.73

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Solution

The fourth proportional to 28,097.60, 38,773.55 and 15,999.73 is: 22,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.60 : 38,773.55 = 15,999.73 : x
  2. Step 2: Convert to fraction form
    28,097.60/38,773.55 = 15,999.73/x
  3. Step 3: Cross multiply
    28,097.60x = 38,773.55 × 15,999.73
  4. Step 4: Simplify right side
    28,097.60x = 620,366,274.21
  5. Step 5: Solve for x
    x = 620,366,274.21/28,097.60
  6. Step 6: Final answer
    x = 22,078.98

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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.