Home / 28,786-43,180.44-27,271.12

Finding the Fourth Proportional to 28,786, 43,180.44 and 27,271.12

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Solution

The fourth proportional to 28,786, 43,180.44 and 27,271.12 is: 40,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786 : 43,180.44 = 27,271.12 : x
  2. Step 2: Convert to fraction form
    28,786/43,180.44 = 27,271.12/x
  3. Step 3: Cross multiply
    28,786x = 43,180.44 × 27,271.12
  4. Step 4: Simplify right side
    28,786x = 1,177,578,960.89
  5. Step 5: Solve for x
    x = 1,177,578,960.89/28,786
  6. Step 6: Final answer
    x = 40,908.04

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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.