Home / 19,955.82-27,538.41-11,003.50

Finding the Fourth Proportional to 19,955.82, 27,538.41 and 11,003.50

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Solution

The fourth proportional to 19,955.82, 27,538.41 and 11,003.50 is: 15,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.82 : 27,538.41 = 11,003.50 : x
  2. Step 2: Convert to fraction form
    19,955.82/27,538.41 = 11,003.50/x
  3. Step 3: Cross multiply
    19,955.82x = 27,538.41 × 11,003.50
  4. Step 4: Simplify right side
    19,955.82x = 303,018,894.44
  5. Step 5: Solve for x
    x = 303,018,894.44/19,955.82
  6. Step 6: Final answer
    x = 15,184.49

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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.