Home / 28,998.32-40,015.78-17,059.35

Finding the Fourth Proportional to 28,998.32, 40,015.78 and 17,059.35

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Solution

The fourth proportional to 28,998.32, 40,015.78 and 17,059.35 is: 23,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.32 : 40,015.78 = 17,059.35 : x
  2. Step 2: Convert to fraction form
    28,998.32/40,015.78 = 17,059.35/x
  3. Step 3: Cross multiply
    28,998.32x = 40,015.78 × 17,059.35
  4. Step 4: Simplify right side
    28,998.32x = 682,643,196.54
  5. Step 5: Solve for x
    x = 682,643,196.54/28,998.32
  6. Step 6: Final answer
    x = 23,540.78

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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.