Home / 77,007.44-115,511.82-27,087.90

Finding the Fourth Proportional to 77,007.44, 115,511.82 and 27,087.90

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Solution

The fourth proportional to 77,007.44, 115,511.82 and 27,087.90 is: 40,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.44 : 115,511.82 = 27,087.90 : x
  2. Step 2: Convert to fraction form
    77,007.44/115,511.82 = 27,087.90/x
  3. Step 3: Cross multiply
    77,007.44x = 115,511.82 × 27,087.90
  4. Step 4: Simplify right side
    77,007.44x = 3,128,972,628.98
  5. Step 5: Solve for x
    x = 3,128,972,628.98/77,007.44
  6. Step 6: Final answer
    x = 40,632.08

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1.5x scale

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.