Home / 27,997.60-38,636.04-16,059.28

Finding the Fourth Proportional to 27,997.60, 38,636.04 and 16,059.28

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Solution

The fourth proportional to 27,997.60, 38,636.04 and 16,059.28 is: 22,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.60 : 38,636.04 = 16,059.28 : x
  2. Step 2: Convert to fraction form
    27,997.60/38,636.04 = 16,059.28/x
  3. Step 3: Cross multiply
    27,997.60x = 38,636.04 × 16,059.28
  4. Step 4: Simplify right side
    27,997.60x = 620,466,984.45
  5. Step 5: Solve for x
    x = 620,466,984.45/27,997.60
  6. Step 6: Final answer
    x = 22,161.43

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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.