Home / 27,629.71-38,127.97-16,892.57

Finding the Fourth Proportional to 27,629.71, 38,127.97 and 16,892.57

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Solution

The fourth proportional to 27,629.71, 38,127.97 and 16,892.57 is: 23,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.71 : 38,127.97 = 16,892.57 : x
  2. Step 2: Convert to fraction form
    27,629.71/38,127.97 = 16,892.57/x
  3. Step 3: Cross multiply
    27,629.71x = 38,127.97 × 16,892.57
  4. Step 4: Simplify right side
    27,629.71x = 644,079,402.18
  5. Step 5: Solve for x
    x = 644,079,402.18/27,629.71
  6. Step 6: Final answer
    x = 23,311.12

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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.