Home / 28,717.94-43,077.72-7,941.44

Finding the Fourth Proportional to 28,717.94, 43,077.72 and 7,941.44

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Solution

The fourth proportional to 28,717.94, 43,077.72 and 7,941.44 is: 11,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.94 : 43,077.72 = 7,941.44 : x
  2. Step 2: Convert to fraction form
    28,717.94/43,077.72 = 7,941.44/x
  3. Step 3: Cross multiply
    28,717.94x = 43,077.72 × 7,941.44
  4. Step 4: Simplify right side
    28,717.94x = 342,098,913.33
  5. Step 5: Solve for x
    x = 342,098,913.33/28,717.94
  6. Step 6: Final answer
    x = 11,912.38

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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.