Home / 26,653.82-39,973.76-7,928.82

Finding the Fourth Proportional to 26,653.82, 39,973.76 and 7,928.82

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Solution

The fourth proportional to 26,653.82, 39,973.76 and 7,928.82 is: 11,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.82 : 39,973.76 = 7,928.82 : x
  2. Step 2: Convert to fraction form
    26,653.82/39,973.76 = 7,928.82/x
  3. Step 3: Cross multiply
    26,653.82x = 39,973.76 × 7,928.82
  4. Step 4: Simplify right side
    26,653.82x = 316,944,747.76
  5. Step 5: Solve for x
    x = 316,944,747.76/26,653.82
  6. Step 6: Final answer
    x = 11,891.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.