Home / 26,870.66-40,305.93-7,149.22

Finding the Fourth Proportional to 26,870.66, 40,305.93 and 7,149.22

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Solution

The fourth proportional to 26,870.66, 40,305.93 and 7,149.22 is: 10,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.66 : 40,305.93 = 7,149.22 : x
  2. Step 2: Convert to fraction form
    26,870.66/40,305.93 = 7,149.22/x
  3. Step 3: Cross multiply
    26,870.66x = 40,305.93 × 7,149.22
  4. Step 4: Simplify right side
    26,870.66x = 288,155,960.87
  5. Step 5: Solve for x
    x = 288,155,960.87/26,870.66
  6. Step 6: Final answer
    x = 10,723.81

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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.