Home / 27,616.61-38,109.89-16,879.46

Finding the Fourth Proportional to 27,616.61, 38,109.89 and 16,879.46

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Solution

The fourth proportional to 27,616.61, 38,109.89 and 16,879.46 is: 23,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.61 : 38,109.89 = 16,879.46 : x
  2. Step 2: Convert to fraction form
    27,616.61/38,109.89 = 16,879.46/x
  3. Step 3: Cross multiply
    27,616.61x = 38,109.89 × 16,879.46
  4. Step 4: Simplify right side
    27,616.61x = 643,274,088.91
  5. Step 5: Solve for x
    x = 643,274,088.91/27,616.61
  6. Step 6: Final answer
    x = 23,293.02

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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.