Home / 27,729.99-38,267.39-15,794.44

Finding the Fourth Proportional to 27,729.99, 38,267.39 and 15,794.44

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Solution

The fourth proportional to 27,729.99, 38,267.39 and 15,794.44 is: 21,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.99 : 38,267.39 = 15,794.44 : x
  2. Step 2: Convert to fraction form
    27,729.99/38,267.39 = 15,794.44/x
  3. Step 3: Cross multiply
    27,729.99x = 38,267.39 × 15,794.44
  4. Step 4: Simplify right side
    27,729.99x = 604,411,995.31
  5. Step 5: Solve for x
    x = 604,411,995.31/27,729.99
  6. Step 6: Final answer
    x = 21,796.33

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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.