Home / 27,212.64-40,819.68-14,056.80

Finding the Fourth Proportional to 27,212.64, 40,819.68 and 14,056.80

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Solution

The fourth proportional to 27,212.64, 40,819.68 and 14,056.80 is: 21,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.64 : 40,819.68 = 14,056.80 : x
  2. Step 2: Convert to fraction form
    27,212.64/40,819.68 = 14,056.80/x
  3. Step 3: Cross multiply
    27,212.64x = 40,819.68 × 14,056.80
  4. Step 4: Simplify right side
    27,212.64x = 573,794,077.82
  5. Step 5: Solve for x
    x = 573,794,077.82/27,212.64
  6. Step 6: Final answer
    x = 21,085.57

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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.