Home / 28,761.04-43,141.52-7,984.56

Finding the Fourth Proportional to 28,761.04, 43,141.52 and 7,984.56

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Solution

The fourth proportional to 28,761.04, 43,141.52 and 7,984.56 is: 11,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.04 : 43,141.52 = 7,984.56 : x
  2. Step 2: Convert to fraction form
    28,761.04/43,141.52 = 7,984.56/x
  3. Step 3: Cross multiply
    28,761.04x = 43,141.52 × 7,984.56
  4. Step 4: Simplify right side
    28,761.04x = 344,466,054.93
  5. Step 5: Solve for x
    x = 344,466,054.93/28,761.04
  6. Step 6: Final answer
    x = 11,976.83

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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.