Home / 27,621.36-41,437.38-10,978.26

Finding the Fourth Proportional to 27,621.36, 41,437.38 and 10,978.26

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Solution

The fourth proportional to 27,621.36, 41,437.38 and 10,978.26 is: 16,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.36 : 41,437.38 = 10,978.26 : x
  2. Step 2: Convert to fraction form
    27,621.36/41,437.38 = 10,978.26/x
  3. Step 3: Cross multiply
    27,621.36x = 41,437.38 × 10,978.26
  4. Step 4: Simplify right side
    27,621.36x = 454,910,331.36
  5. Step 5: Solve for x
    x = 454,910,331.36/27,621.36
  6. Step 6: Final answer
    x = 16,469.51

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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.