Home / 27,136.23-40,710.18-8,415.88

Finding the Fourth Proportional to 27,136.23, 40,710.18 and 8,415.88

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Solution

The fourth proportional to 27,136.23, 40,710.18 and 8,415.88 is: 12,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.23 : 40,710.18 = 8,415.88 : x
  2. Step 2: Convert to fraction form
    27,136.23/40,710.18 = 8,415.88/x
  3. Step 3: Cross multiply
    27,136.23x = 40,710.18 × 8,415.88
  4. Step 4: Simplify right side
    27,136.23x = 342,611,919.44
  5. Step 5: Solve for x
    x = 342,611,919.44/27,136.23
  6. Step 6: Final answer
    x = 12,625.63

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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.