Home / 26,912.34-40,369.27-7,190.91

Finding the Fourth Proportional to 26,912.34, 40,369.27 and 7,190.91

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Solution

The fourth proportional to 26,912.34, 40,369.27 and 7,190.91 is: 10,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.34 : 40,369.27 = 7,190.91 : x
  2. Step 2: Convert to fraction form
    26,912.34/40,369.27 = 7,190.91/x
  3. Step 3: Cross multiply
    26,912.34x = 40,369.27 × 7,190.91
  4. Step 4: Simplify right side
    26,912.34x = 290,291,787.34
  5. Step 5: Solve for x
    x = 290,291,787.34/26,912.34
  6. Step 6: Final answer
    x = 10,786.57

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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.