Home / 28,726.62-43,090.04-8,736.33

Finding the Fourth Proportional to 28,726.62, 43,090.04 and 8,736.33

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Solution

The fourth proportional to 28,726.62, 43,090.04 and 8,736.33 is: 13,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.62 : 43,090.04 = 8,736.33 : x
  2. Step 2: Convert to fraction form
    28,726.62/43,090.04 = 8,736.33/x
  3. Step 3: Cross multiply
    28,726.62x = 43,090.04 × 8,736.33
  4. Step 4: Simplify right side
    28,726.62x = 376,448,809.15
  5. Step 5: Solve for x
    x = 376,448,809.15/28,726.62
  6. Step 6: Final answer
    x = 13,104.53

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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.