Home / 19,538.44-26,961.78-12,085

Finding the Fourth Proportional to 19,538.44, 26,961.78 and 12,085

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Solution

The fourth proportional to 19,538.44, 26,961.78 and 12,085 is: 16,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.44 : 26,961.78 = 12,085 : x
  2. Step 2: Convert to fraction form
    19,538.44/26,961.78 = 12,085/x
  3. Step 3: Cross multiply
    19,538.44x = 26,961.78 × 12,085
  4. Step 4: Simplify right side
    19,538.44x = 325,833,111.30
  5. Step 5: Solve for x
    x = 325,833,111.30/19,538.44
  6. Step 6: Final answer
    x = 16,676.52

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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.