Home / 28,080.94-38,751.79-15,334.26

Finding the Fourth Proportional to 28,080.94, 38,751.79 and 15,334.26

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Solution

The fourth proportional to 28,080.94, 38,751.79 and 15,334.26 is: 21,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.94 : 38,751.79 = 15,334.26 : x
  2. Step 2: Convert to fraction form
    28,080.94/38,751.79 = 15,334.26/x
  3. Step 3: Cross multiply
    28,080.94x = 38,751.79 × 15,334.26
  4. Step 4: Simplify right side
    28,080.94x = 594,230,023.33
  5. Step 5: Solve for x
    x = 594,230,023.33/28,080.94
  6. Step 6: Final answer
    x = 21,161.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.