Home / 28,790.28-43,196.49-10,072.26

Finding the Fourth Proportional to 28,790.28, 43,196.49 and 10,072.26

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Solution

The fourth proportional to 28,790.28, 43,196.49 and 10,072.26 is: 15,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.28 : 43,196.49 = 10,072.26 : x
  2. Step 2: Convert to fraction form
    28,790.28/43,196.49 = 10,072.26/x
  3. Step 3: Cross multiply
    28,790.28x = 43,196.49 × 10,072.26
  4. Step 4: Simplify right side
    28,790.28x = 435,086,278.37
  5. Step 5: Solve for x
    x = 435,086,278.37/28,790.28
  6. Step 6: Final answer
    x = 15,112.26

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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.