Home / 26,789.00-40,178.03-10,143.32

Finding the Fourth Proportional to 26,789.00, 40,178.03 and 10,143.32

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Solution

The fourth proportional to 26,789.00, 40,178.03 and 10,143.32 is: 15,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.00 : 40,178.03 = 10,143.32 : x
  2. Step 2: Convert to fraction form
    26,789.00/40,178.03 = 10,143.32/x
  3. Step 3: Cross multiply
    26,789.00x = 40,178.03 × 10,143.32
  4. Step 4: Simplify right side
    26,789.00x = 407,538,363.65
  5. Step 5: Solve for x
    x = 407,538,363.65/26,789.00
  6. Step 6: Final answer
    x = 15,212.90

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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.