Home / 28,860.18-43,284.80-10,135.82

Finding the Fourth Proportional to 28,860.18, 43,284.80 and 10,135.82

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Solution

The fourth proportional to 28,860.18, 43,284.80 and 10,135.82 is: 15,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.18 : 43,284.80 = 10,135.82 : x
  2. Step 2: Convert to fraction form
    28,860.18/43,284.80 = 10,135.82/x
  3. Step 3: Cross multiply
    28,860.18x = 43,284.80 × 10,135.82
  4. Step 4: Simplify right side
    28,860.18x = 438,726,941.54
  5. Step 5: Solve for x
    x = 438,726,941.54/28,860.18
  6. Step 6: Final answer
    x = 15,201.81

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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.