Home / 28,113.25-42,175.94-10,583.02

Finding the Fourth Proportional to 28,113.25, 42,175.94 and 10,583.02

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Solution

The fourth proportional to 28,113.25, 42,175.94 and 10,583.02 is: 15,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.25 : 42,175.94 = 10,583.02 : x
  2. Step 2: Convert to fraction form
    28,113.25/42,175.94 = 10,583.02/x
  3. Step 3: Cross multiply
    28,113.25x = 42,175.94 × 10,583.02
  4. Step 4: Simplify right side
    28,113.25x = 446,348,816.54
  5. Step 5: Solve for x
    x = 446,348,816.54/28,113.25
  6. Step 6: Final answer
    x = 15,876.81

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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.