Home / 27,769.70-41,653.38-10,000.82

Finding the Fourth Proportional to 27,769.70, 41,653.38 and 10,000.82

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Solution

The fourth proportional to 27,769.70, 41,653.38 and 10,000.82 is: 15,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.70 : 41,653.38 = 10,000.82 : x
  2. Step 2: Convert to fraction form
    27,769.70/41,653.38 = 10,000.82/x
  3. Step 3: Cross multiply
    27,769.70x = 41,653.38 × 10,000.82
  4. Step 4: Simplify right side
    27,769.70x = 416,567,955.77
  5. Step 5: Solve for x
    x = 416,567,955.77/27,769.70
  6. Step 6: Final answer
    x = 15,000.81

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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.