Home / 26,758.93-40,143.04-8,991.33

Finding the Fourth Proportional to 26,758.93, 40,143.04 and 8,991.33

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Solution

The fourth proportional to 26,758.93, 40,143.04 and 8,991.33 is: 13,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.93 : 40,143.04 = 8,991.33 : x
  2. Step 2: Convert to fraction form
    26,758.93/40,143.04 = 8,991.33/x
  3. Step 3: Cross multiply
    26,758.93x = 40,143.04 × 8,991.33
  4. Step 4: Simplify right side
    26,758.93x = 360,939,091.08
  5. Step 5: Solve for x
    x = 360,939,091.08/26,758.93
  6. Step 6: Final answer
    x = 13,488.55

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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.