Home / 27,616.99-38,116.39-16,285.80

Finding the Fourth Proportional to 27,616.99, 38,116.39 and 16,285.80

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Solution

The fourth proportional to 27,616.99, 38,116.39 and 16,285.80 is: 22,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.99 : 38,116.39 = 16,285.80 : x
  2. Step 2: Convert to fraction form
    27,616.99/38,116.39 = 16,285.80/x
  3. Step 3: Cross multiply
    27,616.99x = 38,116.39 × 16,285.80
  4. Step 4: Simplify right side
    27,616.99x = 620,755,904.26
  5. Step 5: Solve for x
    x = 620,755,904.26/27,616.99
  6. Step 6: Final answer
    x = 22,477.32

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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.