Home / 28,969.11-43,412.36-17,125.29

Finding the Fourth Proportional to 28,969.11, 43,412.36 and 17,125.29

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Solution

The fourth proportional to 28,969.11, 43,412.36 and 17,125.29 is: 25,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.11 : 43,412.36 = 17,125.29 : x
  2. Step 2: Convert to fraction form
    28,969.11/43,412.36 = 17,125.29/x
  3. Step 3: Cross multiply
    28,969.11x = 43,412.36 × 17,125.29
  4. Step 4: Simplify right side
    28,969.11x = 743,449,168.96
  5. Step 5: Solve for x
    x = 743,449,168.96/28,969.11
  6. Step 6: Final answer
    x = 25,663.51

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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.