Home / 28,769.93-39,725.03-22,500.17

Finding the Fourth Proportional to 28,769.93, 39,725.03 and 22,500.17

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Solution

The fourth proportional to 28,769.93, 39,725.03 and 22,500.17 is: 31,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.93 : 39,725.03 = 22,500.17 : x
  2. Step 2: Convert to fraction form
    28,769.93/39,725.03 = 22,500.17/x
  3. Step 3: Cross multiply
    28,769.93x = 39,725.03 × 22,500.17
  4. Step 4: Simplify right side
    28,769.93x = 893,819,815.75
  5. Step 5: Solve for x
    x = 893,819,815.75/28,769.93
  6. Step 6: Final answer
    x = 31,067.85

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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.