Home / 20,029.39-27,615.44-12,846.65

Finding the Fourth Proportional to 20,029.39, 27,615.44 and 12,846.65

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Solution

The fourth proportional to 20,029.39, 27,615.44 and 12,846.65 is: 17,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.39 : 27,615.44 = 12,846.65 : x
  2. Step 2: Convert to fraction form
    20,029.39/27,615.44 = 12,846.65/x
  3. Step 3: Cross multiply
    20,029.39x = 27,615.44 × 12,846.65
  4. Step 4: Simplify right side
    20,029.39x = 354,765,786.32
  5. Step 5: Solve for x
    x = 354,765,786.32/20,029.39
  6. Step 6: Final answer
    x = 17,712.26

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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.