Home / 17,488.78-26,229.43-5,005.45

Finding the Fourth Proportional to 17,488.78, 26,229.43 and 5,005.45

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Solution

The fourth proportional to 17,488.78, 26,229.43 and 5,005.45 is: 7,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.78 : 26,229.43 = 5,005.45 : x
  2. Step 2: Convert to fraction form
    17,488.78/26,229.43 = 5,005.45/x
  3. Step 3: Cross multiply
    17,488.78x = 26,229.43 × 5,005.45
  4. Step 4: Simplify right side
    17,488.78x = 131,290,165.97
  5. Step 5: Solve for x
    x = 131,290,165.97/17,488.78
  6. Step 6: Final answer
    x = 7,507.11

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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.