Home / 28,450.43-42,643.82-10,663.97

Finding the Fourth Proportional to 28,450.43, 42,643.82 and 10,663.97

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Solution

The fourth proportional to 28,450.43, 42,643.82 and 10,663.97 is: 15,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.43 : 42,643.82 = 10,663.97 : x
  2. Step 2: Convert to fraction form
    28,450.43/42,643.82 = 10,663.97/x
  3. Step 3: Cross multiply
    28,450.43x = 42,643.82 × 10,663.97
  4. Step 4: Simplify right side
    28,450.43x = 454,752,150.63
  5. Step 5: Solve for x
    x = 454,752,150.63/28,450.43
  6. Step 6: Final answer
    x = 15,984.02

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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.