Home / 28,060.26-42,078.01-10,517.79

Finding the Fourth Proportional to 28,060.26, 42,078.01 and 10,517.79

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Solution

The fourth proportional to 28,060.26, 42,078.01 and 10,517.79 is: 15,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.26 : 42,078.01 = 10,517.79 : x
  2. Step 2: Convert to fraction form
    28,060.26/42,078.01 = 10,517.79/x
  3. Step 3: Cross multiply
    28,060.26x = 42,078.01 × 10,517.79
  4. Step 4: Simplify right side
    28,060.26x = 442,567,646.50
  5. Step 5: Solve for x
    x = 442,567,646.50/28,060.26
  6. Step 6: Final answer
    x = 15,772.04

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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.