Home / 19,625.34-27,080.67-11,128.44

Finding the Fourth Proportional to 19,625.34, 27,080.67 and 11,128.44

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Solution

The fourth proportional to 19,625.34, 27,080.67 and 11,128.44 is: 15,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.34 : 27,080.67 = 11,128.44 : x
  2. Step 2: Convert to fraction form
    19,625.34/27,080.67 = 11,128.44/x
  3. Step 3: Cross multiply
    19,625.34x = 27,080.67 × 11,128.44
  4. Step 4: Simplify right side
    19,625.34x = 301,365,611.25
  5. Step 5: Solve for x
    x = 301,365,611.25/19,625.34
  6. Step 6: Final answer
    x = 15,355.94

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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.