Home / 19,984.21-27,576.80-11,029.80

Finding the Fourth Proportional to 19,984.21, 27,576.80 and 11,029.80

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Solution

The fourth proportional to 19,984.21, 27,576.80 and 11,029.80 is: 15,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.21 : 27,576.80 = 11,029.80 : x
  2. Step 2: Convert to fraction form
    19,984.21/27,576.80 = 11,029.80/x
  3. Step 3: Cross multiply
    19,984.21x = 27,576.80 × 11,029.80
  4. Step 4: Simplify right side
    19,984.21x = 304,166,395.61
  5. Step 5: Solve for x
    x = 304,166,395.61/19,984.21
  6. Step 6: Final answer
    x = 15,220.34

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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.