Home / 28,657.69-39,551.25-16,082.44

Finding the Fourth Proportional to 28,657.69, 39,551.25 and 16,082.44

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Solution

The fourth proportional to 28,657.69, 39,551.25 and 16,082.44 is: 22,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.69 : 39,551.25 = 16,082.44 : x
  2. Step 2: Convert to fraction form
    28,657.69/39,551.25 = 16,082.44/x
  3. Step 3: Cross multiply
    28,657.69x = 39,551.25 × 16,082.44
  4. Step 4: Simplify right side
    28,657.69x = 636,080,566.48
  5. Step 5: Solve for x
    x = 636,080,566.48/28,657.69
  6. Step 6: Final answer
    x = 22,195.81

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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.