Home / 22,276.20-33,416.55-8,239.98

Finding the Fourth Proportional to 22,276.20, 33,416.55 and 8,239.98

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Solution

The fourth proportional to 22,276.20, 33,416.55 and 8,239.98 is: 12,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.20 : 33,416.55 = 8,239.98 : x
  2. Step 2: Convert to fraction form
    22,276.20/33,416.55 = 8,239.98/x
  3. Step 3: Cross multiply
    22,276.20x = 33,416.55 × 8,239.98
  4. Step 4: Simplify right side
    22,276.20x = 275,351,703.67
  5. Step 5: Solve for x
    x = 275,351,703.67/22,276.20
  6. Step 6: Final answer
    x = 12,360.80

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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.