Home / 27,743.45-38,288.61-16,416.54

Finding the Fourth Proportional to 27,743.45, 38,288.61 and 16,416.54

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Solution

The fourth proportional to 27,743.45, 38,288.61 and 16,416.54 is: 22,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.45 : 38,288.61 = 16,416.54 : x
  2. Step 2: Convert to fraction form
    27,743.45/38,288.61 = 16,416.54/x
  3. Step 3: Cross multiply
    27,743.45x = 38,288.61 × 16,416.54
  4. Step 4: Simplify right side
    27,743.45x = 628,566,497.61
  5. Step 5: Solve for x
    x = 628,566,497.61/27,743.45
  6. Step 6: Final answer
    x = 22,656.40

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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.