Home / 28,681.44-39,584.34-16,107

Finding the Fourth Proportional to 28,681.44, 39,584.34 and 16,107

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Solution

The fourth proportional to 28,681.44, 39,584.34 and 16,107 is: 22,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.44 : 39,584.34 = 16,107 : x
  2. Step 2: Convert to fraction form
    28,681.44/39,584.34 = 16,107/x
  3. Step 3: Cross multiply
    28,681.44x = 39,584.34 × 16,107
  4. Step 4: Simplify right side
    28,681.44x = 637,584,964.38
  5. Step 5: Solve for x
    x = 637,584,964.38/28,681.44
  6. Step 6: Final answer
    x = 22,229.88

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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.