Home / 28,817.22-39,767.94-16,071.22

Finding the Fourth Proportional to 28,817.22, 39,767.94 and 16,071.22

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Solution

The fourth proportional to 28,817.22, 39,767.94 and 16,071.22 is: 22,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.22 : 39,767.94 = 16,071.22 : x
  2. Step 2: Convert to fraction form
    28,817.22/39,767.94 = 16,071.22/x
  3. Step 3: Cross multiply
    28,817.22x = 39,767.94 × 16,071.22
  4. Step 4: Simplify right side
    28,817.22x = 639,119,183.90
  5. Step 5: Solve for x
    x = 639,119,183.90/28,817.22
  6. Step 6: Final answer
    x = 22,178.37

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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.