Home / 26,905.04-40,357.44-7,185.56

Finding the Fourth Proportional to 26,905.04, 40,357.44 and 7,185.56

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Solution

The fourth proportional to 26,905.04, 40,357.44 and 7,185.56 is: 10,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.04 : 40,357.44 = 7,185.56 : x
  2. Step 2: Convert to fraction form
    26,905.04/40,357.44 = 7,185.56/x
  3. Step 3: Cross multiply
    26,905.04x = 40,357.44 × 7,185.56
  4. Step 4: Simplify right side
    26,905.04x = 289,990,806.57
  5. Step 5: Solve for x
    x = 289,990,806.57/26,905.04
  6. Step 6: Final answer
    x = 10,778.31

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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.