Home / 28,817.44-39,768.06-16,242.19

Finding the Fourth Proportional to 28,817.44, 39,768.06 and 16,242.19

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Solution

The fourth proportional to 28,817.44, 39,768.06 and 16,242.19 is: 22,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.44 : 39,768.06 = 16,242.19 : x
  2. Step 2: Convert to fraction form
    28,817.44/39,768.06 = 16,242.19/x
  3. Step 3: Cross multiply
    28,817.44x = 39,768.06 × 16,242.19
  4. Step 4: Simplify right side
    28,817.44x = 645,920,347.94
  5. Step 5: Solve for x
    x = 645,920,347.94/28,817.44
  6. Step 6: Final answer
    x = 22,414.22

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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.