Home / 27,983.47-38,616.30-16,650.37

Finding the Fourth Proportional to 27,983.47, 38,616.30 and 16,650.37

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Solution

The fourth proportional to 27,983.47, 38,616.30 and 16,650.37 is: 22,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.47 : 38,616.30 = 16,650.37 : x
  2. Step 2: Convert to fraction form
    27,983.47/38,616.30 = 16,650.37/x
  3. Step 3: Cross multiply
    27,983.47x = 38,616.30 × 16,650.37
  4. Step 4: Simplify right side
    27,983.47x = 642,975,683.03
  5. Step 5: Solve for x
    x = 642,975,683.03/27,983.47
  6. Step 6: Final answer
    x = 22,976.98

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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.