Home / 20,627.75-30,936.67-9,523.77

Finding the Fourth Proportional to 20,627.75, 30,936.67 and 9,523.77

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Solution

The fourth proportional to 20,627.75, 30,936.67 and 9,523.77 is: 14,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.75 : 30,936.67 = 9,523.77 : x
  2. Step 2: Convert to fraction form
    20,627.75/30,936.67 = 9,523.77/x
  3. Step 3: Cross multiply
    20,627.75x = 30,936.67 × 9,523.77
  4. Step 4: Simplify right side
    20,627.75x = 294,633,703.62
  5. Step 5: Solve for x
    x = 294,633,703.62/20,627.75
  6. Step 6: Final answer
    x = 14,283.37

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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.