Home / 27,026.42-40,529.30-12,982.55

Finding the Fourth Proportional to 27,026.42, 40,529.30 and 12,982.55

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Solution

The fourth proportional to 27,026.42, 40,529.30 and 12,982.55 is: 19,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.42 : 40,529.30 = 12,982.55 : x
  2. Step 2: Convert to fraction form
    27,026.42/40,529.30 = 12,982.55/x
  3. Step 3: Cross multiply
    27,026.42x = 40,529.30 × 12,982.55
  4. Step 4: Simplify right side
    27,026.42x = 526,173,396.16
  5. Step 5: Solve for x
    x = 526,173,396.16/27,026.42
  6. Step 6: Final answer
    x = 19,468.86

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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.