Home / 28,382.47-42,511.69-23,396.11

Finding the Fourth Proportional to 28,382.47, 42,511.69 and 23,396.11

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Solution

The fourth proportional to 28,382.47, 42,511.69 and 23,396.11 is: 35,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.47 : 42,511.69 = 23,396.11 : x
  2. Step 2: Convert to fraction form
    28,382.47/42,511.69 = 23,396.11/x
  3. Step 3: Cross multiply
    28,382.47x = 42,511.69 × 23,396.11
  4. Step 4: Simplify right side
    28,382.47x = 994,608,175.53
  5. Step 5: Solve for x
    x = 994,608,175.53/28,382.47
  6. Step 6: Final answer
    x = 35,043.05

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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.