Home / 19,020.09-28,524.56-7,165.31

Finding the Fourth Proportional to 19,020.09, 28,524.56 and 7,165.31

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Solution

The fourth proportional to 19,020.09, 28,524.56 and 7,165.31 is: 10,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.09 : 28,524.56 = 7,165.31 : x
  2. Step 2: Convert to fraction form
    19,020.09/28,524.56 = 7,165.31/x
  3. Step 3: Cross multiply
    19,020.09x = 28,524.56 × 7,165.31
  4. Step 4: Simplify right side
    19,020.09x = 204,387,404.24
  5. Step 5: Solve for x
    x = 204,387,404.24/19,020.09
  6. Step 6: Final answer
    x = 10,745.87

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1.5x scale

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.