Home / 27,744.24-38,267.28-16,989.60

Finding the Fourth Proportional to 27,744.24, 38,267.28 and 16,989.60

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Solution

The fourth proportional to 27,744.24, 38,267.28 and 16,989.60 is: 23,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.24 : 38,267.28 = 16,989.60 : x
  2. Step 2: Convert to fraction form
    27,744.24/38,267.28 = 16,989.60/x
  3. Step 3: Cross multiply
    27,744.24x = 38,267.28 × 16,989.60
  4. Step 4: Simplify right side
    27,744.24x = 650,145,780.29
  5. Step 5: Solve for x
    x = 650,145,780.29/27,744.24
  6. Step 6: Final answer
    x = 23,433.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.