Home / 27,965.70-38,588.28-16,635.60

Finding the Fourth Proportional to 27,965.70, 38,588.28 and 16,635.60

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Solution

The fourth proportional to 27,965.70, 38,588.28 and 16,635.60 is: 22,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.70 : 38,588.28 = 16,635.60 : x
  2. Step 2: Convert to fraction form
    27,965.70/38,588.28 = 16,635.60/x
  3. Step 3: Cross multiply
    27,965.70x = 38,588.28 × 16,635.60
  4. Step 4: Simplify right side
    27,965.70x = 641,939,190.77
  5. Step 5: Solve for x
    x = 641,939,190.77/27,965.70
  6. Step 6: Final answer
    x = 22,954.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.