Home / 26,760.93-40,141.49-8,991.09

Finding the Fourth Proportional to 26,760.93, 40,141.49 and 8,991.09

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Solution

The fourth proportional to 26,760.93, 40,141.49 and 8,991.09 is: 13,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.93 : 40,141.49 = 8,991.09 : x
  2. Step 2: Convert to fraction form
    26,760.93/40,141.49 = 8,991.09/x
  3. Step 3: Cross multiply
    26,760.93x = 40,141.49 × 8,991.09
  4. Step 4: Simplify right side
    26,760.93x = 360,915,749.32
  5. Step 5: Solve for x
    x = 360,915,749.32/26,760.93
  6. Step 6: Final answer
    x = 13,486.67

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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.