Home / 26,718.72-40,078.08-11,136

Finding the Fourth Proportional to 26,718.72, 40,078.08 and 11,136

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Solution

The fourth proportional to 26,718.72, 40,078.08 and 11,136 is: 16,704

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.72 : 40,078.08 = 11,136 : x
  2. Step 2: Convert to fraction form
    26,718.72/40,078.08 = 11,136/x
  3. Step 3: Cross multiply
    26,718.72x = 40,078.08 × 11,136
  4. Step 4: Simplify right side
    26,718.72x = 446,309,498.88
  5. Step 5: Solve for x
    x = 446,309,498.88/26,718.72
  6. Step 6: Final answer
    x = 16,704

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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.