Home / 26,632.20-39,941.40-7,907.78

Finding the Fourth Proportional to 26,632.20, 39,941.40 and 7,907.78

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Solution

The fourth proportional to 26,632.20, 39,941.40 and 7,907.78 is: 11,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.20 : 39,941.40 = 7,907.78 : x
  2. Step 2: Convert to fraction form
    26,632.20/39,941.40 = 7,907.78/x
  3. Step 3: Cross multiply
    26,632.20x = 39,941.40 × 7,907.78
  4. Step 4: Simplify right side
    26,632.20x = 315,847,804.09
  5. Step 5: Solve for x
    x = 315,847,804.09/26,632.20
  6. Step 6: Final answer
    x = 11,859.62

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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.