Home / 26,631.72-39,940.70-7,907.32

Finding the Fourth Proportional to 26,631.72, 39,940.70 and 7,907.32

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Solution

The fourth proportional to 26,631.72, 39,940.70 and 7,907.32 is: 11,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.72 : 39,940.70 = 7,907.32 : x
  2. Step 2: Convert to fraction form
    26,631.72/39,940.70 = 7,907.32/x
  3. Step 3: Cross multiply
    26,631.72x = 39,940.70 × 7,907.32
  4. Step 4: Simplify right side
    26,631.72x = 315,823,895.92
  5. Step 5: Solve for x
    x = 315,823,895.92/26,631.72
  6. Step 6: Final answer
    x = 11,858.94

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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.