Home / 27,613.61-38,105.75-16,876.46

Finding the Fourth Proportional to 27,613.61, 38,105.75 and 16,876.46

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Solution

The fourth proportional to 27,613.61, 38,105.75 and 16,876.46 is: 23,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.61 : 38,105.75 = 16,876.46 : x
  2. Step 2: Convert to fraction form
    27,613.61/38,105.75 = 16,876.46/x
  3. Step 3: Cross multiply
    27,613.61x = 38,105.75 × 16,876.46
  4. Step 4: Simplify right side
    27,613.61x = 643,089,890.73
  5. Step 5: Solve for x
    x = 643,089,890.73/27,613.61
  6. Step 6: Final answer
    x = 23,288.88

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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.