Home / 17,429.14-26,143.67-4,949.28

Finding the Fourth Proportional to 17,429.14, 26,143.67 and 4,949.28

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Solution

The fourth proportional to 17,429.14, 26,143.67 and 4,949.28 is: 7,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.14 : 26,143.67 = 4,949.28 : x
  2. Step 2: Convert to fraction form
    17,429.14/26,143.67 = 4,949.28/x
  3. Step 3: Cross multiply
    17,429.14x = 26,143.67 × 4,949.28
  4. Step 4: Simplify right side
    17,429.14x = 129,392,212.34
  5. Step 5: Solve for x
    x = 129,392,212.34/17,429.14
  6. Step 6: Final answer
    x = 7,423.90

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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.