Home / 28,998.43-43,485.34-10,283.17

Finding the Fourth Proportional to 28,998.43, 43,485.34 and 10,283.17

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Solution

The fourth proportional to 28,998.43, 43,485.34 and 10,283.17 is: 15,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.43 : 43,485.34 = 10,283.17 : x
  2. Step 2: Convert to fraction form
    28,998.43/43,485.34 = 10,283.17/x
  3. Step 3: Cross multiply
    28,998.43x = 43,485.34 × 10,283.17
  4. Step 4: Simplify right side
    28,998.43x = 447,167,143.73
  5. Step 5: Solve for x
    x = 447,167,143.73/28,998.43
  6. Step 6: Final answer
    x = 15,420.39

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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.