Home / 40,015.65-55,229.24-26,379.77

Finding the Fourth Proportional to 40,015.65, 55,229.24 and 26,379.77

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Solution

The fourth proportional to 40,015.65, 55,229.24 and 26,379.77 is: 36,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.65 : 55,229.24 = 26,379.77 : x
  2. Step 2: Convert to fraction form
    40,015.65/55,229.24 = 26,379.77/x
  3. Step 3: Cross multiply
    40,015.65x = 55,229.24 × 26,379.77
  4. Step 4: Simplify right side
    40,015.65x = 1,456,934,240.43
  5. Step 5: Solve for x
    x = 1,456,934,240.43/40,015.65
  6. Step 6: Final answer
    x = 36,409.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.