Home / 28,856.64-39,824.17-16,112.33

Finding the Fourth Proportional to 28,856.64, 39,824.17 and 16,112.33

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Solution

The fourth proportional to 28,856.64, 39,824.17 and 16,112.33 is: 22,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.64 : 39,824.17 = 16,112.33 : x
  2. Step 2: Convert to fraction form
    28,856.64/39,824.17 = 16,112.33/x
  3. Step 3: Cross multiply
    28,856.64x = 39,824.17 × 16,112.33
  4. Step 4: Simplify right side
    28,856.64x = 641,660,169.02
  5. Step 5: Solve for x
    x = 641,660,169.02/28,856.64
  6. Step 6: Final answer
    x = 22,236.14

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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.