Home / 26,632.46-39,934.78-7,909.92

Finding the Fourth Proportional to 26,632.46, 39,934.78 and 7,909.92

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Solution

The fourth proportional to 26,632.46, 39,934.78 and 7,909.92 is: 11,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.46 : 39,934.78 = 7,909.92 : x
  2. Step 2: Convert to fraction form
    26,632.46/39,934.78 = 7,909.92/x
  3. Step 3: Cross multiply
    26,632.46x = 39,934.78 × 7,909.92
  4. Step 4: Simplify right side
    26,632.46x = 315,880,915.02
  5. Step 5: Solve for x
    x = 315,880,915.02/26,632.46
  6. Step 6: Final answer
    x = 11,860.75

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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.