Home / 20,012.36-29,991.69-15,575.37

Finding the Fourth Proportional to 20,012.36, 29,991.69 and 15,575.37

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Solution

The fourth proportional to 20,012.36, 29,991.69 and 15,575.37 is: 23,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.36 : 29,991.69 = 15,575.37 : x
  2. Step 2: Convert to fraction form
    20,012.36/29,991.69 = 15,575.37/x
  3. Step 3: Cross multiply
    20,012.36x = 29,991.69 × 15,575.37
  4. Step 4: Simplify right side
    20,012.36x = 467,131,668.68
  5. Step 5: Solve for x
    x = 467,131,668.68/20,012.36
  6. Step 6: Final answer
    x = 23,342.16

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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.