Home / 28,632.05-39,512.27-15,884.83

Finding the Fourth Proportional to 28,632.05, 39,512.27 and 15,884.83

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Solution

The fourth proportional to 28,632.05, 39,512.27 and 15,884.83 is: 21,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.05 : 39,512.27 = 15,884.83 : x
  2. Step 2: Convert to fraction form
    28,632.05/39,512.27 = 15,884.83/x
  3. Step 3: Cross multiply
    28,632.05x = 39,512.27 × 15,884.83
  4. Step 4: Simplify right side
    28,632.05x = 627,645,414.88
  5. Step 5: Solve for x
    x = 627,645,414.88/28,632.05
  6. Step 6: Final answer
    x = 21,921.08

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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.