Home / 28,062.33-42,081.09-10,519.86

Finding the Fourth Proportional to 28,062.33, 42,081.09 and 10,519.86

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Solution

The fourth proportional to 28,062.33, 42,081.09 and 10,519.86 is: 15,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.33 : 42,081.09 = 10,519.86 : x
  2. Step 2: Convert to fraction form
    28,062.33/42,081.09 = 10,519.86/x
  3. Step 3: Cross multiply
    28,062.33x = 42,081.09 × 10,519.86
  4. Step 4: Simplify right side
    28,062.33x = 442,687,175.45
  5. Step 5: Solve for x
    x = 442,687,175.45/28,062.33
  6. Step 6: Final answer
    x = 15,775.14

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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.