Home / 28,567.35-39,425.13-16,469.80

Finding the Fourth Proportional to 28,567.35, 39,425.13 and 16,469.80

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Solution

The fourth proportional to 28,567.35, 39,425.13 and 16,469.80 is: 22,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.35 : 39,425.13 = 16,469.80 : x
  2. Step 2: Convert to fraction form
    28,567.35/39,425.13 = 16,469.80/x
  3. Step 3: Cross multiply
    28,567.35x = 39,425.13 × 16,469.80
  4. Step 4: Simplify right side
    28,567.35x = 649,323,907.51
  5. Step 5: Solve for x
    x = 649,323,907.51/28,567.35
  6. Step 6: Final answer
    x = 22,729.58

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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.