Home / 29,896.89-40,958.94-28,775.85

Finding the Fourth Proportional to 29,896.89, 40,958.94 and 28,775.85

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Solution

The fourth proportional to 29,896.89, 40,958.94 and 28,775.85 is: 39,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896.89 : 40,958.94 = 28,775.85 : x
  2. Step 2: Convert to fraction form
    29,896.89/40,958.94 = 28,775.85/x
  3. Step 3: Cross multiply
    29,896.89x = 40,958.94 × 28,775.85
  4. Step 4: Simplify right side
    29,896.89x = 1,178,628,313.60
  5. Step 5: Solve for x
    x = 1,178,628,313.60/29,896.89
  6. Step 6: Final answer
    x = 39,423.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.