Home / 38,284.35-57,404.19-28,196.81

Finding the Fourth Proportional to 38,284.35, 57,404.19 and 28,196.81

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Solution

The fourth proportional to 38,284.35, 57,404.19 and 28,196.81 is: 42,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,284.35 : 57,404.19 = 28,196.81 : x
  2. Step 2: Convert to fraction form
    38,284.35/57,404.19 = 28,196.81/x
  3. Step 3: Cross multiply
    38,284.35x = 57,404.19 × 28,196.81
  4. Step 4: Simplify right side
    38,284.35x = 1,618,615,072.62
  5. Step 5: Solve for x
    x = 1,618,615,072.62/38,284.35
  6. Step 6: Final answer
    x = 42,278.77

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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.