Home / 27,209.60-40,836.24-14,065.80

Finding the Fourth Proportional to 27,209.60, 40,836.24 and 14,065.80

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Solution

The fourth proportional to 27,209.60, 40,836.24 and 14,065.80 is: 21,109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.60 : 40,836.24 = 14,065.80 : x
  2. Step 2: Convert to fraction form
    27,209.60/40,836.24 = 14,065.80/x
  3. Step 3: Cross multiply
    27,209.60x = 40,836.24 × 14,065.80
  4. Step 4: Simplify right side
    27,209.60x = 574,394,384.59
  5. Step 5: Solve for x
    x = 574,394,384.59/27,209.60
  6. Step 6: Final answer
    x = 21,109.99

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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.