Home / 27,753.34-38,300.28-16,851.60

Finding the Fourth Proportional to 27,753.34, 38,300.28 and 16,851.60

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Solution

The fourth proportional to 27,753.34, 38,300.28 and 16,851.60 is: 23,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.34 : 38,300.28 = 16,851.60 : x
  2. Step 2: Convert to fraction form
    27,753.34/38,300.28 = 16,851.60/x
  3. Step 3: Cross multiply
    27,753.34x = 38,300.28 × 16,851.60
  4. Step 4: Simplify right side
    27,753.34x = 645,420,998.45
  5. Step 5: Solve for x
    x = 645,420,998.45/27,753.34
  6. Step 6: Final answer
    x = 23,255.62

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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.