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Finding the Fourth Proportional to 27,164.60, 40,698.30 and 16,764.20

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Solution

The fourth proportional to 27,164.60, 40,698.30 and 16,764.20 is: 25,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.60 : 40,698.30 = 16,764.20 : x
  2. Step 2: Convert to fraction form
    27,164.60/40,698.30 = 16,764.20/x
  3. Step 3: Cross multiply
    27,164.60x = 40,698.30 × 16,764.20
  4. Step 4: Simplify right side
    27,164.60x = 682,274,440.86
  5. Step 5: Solve for x
    x = 682,274,440.86/27,164.60
  6. Step 6: Final answer
    x = 25,116.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.