Home / 28,859.82-43,293.38-9,131.26

Finding the Fourth Proportional to 28,859.82, 43,293.38 and 9,131.26

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Solution

The fourth proportional to 28,859.82, 43,293.38 and 9,131.26 is: 13,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.82 : 43,293.38 = 9,131.26 : x
  2. Step 2: Convert to fraction form
    28,859.82/43,293.38 = 9,131.26/x
  3. Step 3: Cross multiply
    28,859.82x = 43,293.38 × 9,131.26
  4. Step 4: Simplify right side
    28,859.82x = 395,323,109.06
  5. Step 5: Solve for x
    x = 395,323,109.06/28,859.82
  6. Step 6: Final answer
    x = 13,698.04

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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.