Home / 28,198-42,299.86-10,433.35

Finding the Fourth Proportional to 28,198, 42,299.86 and 10,433.35

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Solution

The fourth proportional to 28,198, 42,299.86 and 10,433.35 is: 15,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198 : 42,299.86 = 10,433.35 : x
  2. Step 2: Convert to fraction form
    28,198/42,299.86 = 10,433.35/x
  3. Step 3: Cross multiply
    28,198x = 42,299.86 × 10,433.35
  4. Step 4: Simplify right side
    28,198x = 441,329,244.33
  5. Step 5: Solve for x
    x = 441,329,244.33/28,198
  6. Step 6: Final answer
    x = 15,651.08

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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.