Home / 27,680.13-41,415.40-16,968.39

Finding the Fourth Proportional to 27,680.13, 41,415.40 and 16,968.39

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Solution

The fourth proportional to 27,680.13, 41,415.40 and 16,968.39 is: 25,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.13 : 41,415.40 = 16,968.39 : x
  2. Step 2: Convert to fraction form
    27,680.13/41,415.40 = 16,968.39/x
  3. Step 3: Cross multiply
    27,680.13x = 41,415.40 × 16,968.39
  4. Step 4: Simplify right side
    27,680.13x = 702,752,525.11
  5. Step 5: Solve for x
    x = 702,752,525.11/27,680.13
  6. Step 6: Final answer
    x = 25,388.34

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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.