Home / 28,175.85-38,890.94-16,246.98

Finding the Fourth Proportional to 28,175.85, 38,890.94 and 16,246.98

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Solution

The fourth proportional to 28,175.85, 38,890.94 and 16,246.98 is: 22,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.85 : 38,890.94 = 16,246.98 : x
  2. Step 2: Convert to fraction form
    28,175.85/38,890.94 = 16,246.98/x
  3. Step 3: Cross multiply
    28,175.85x = 38,890.94 × 16,246.98
  4. Step 4: Simplify right side
    28,175.85x = 631,860,243.13
  5. Step 5: Solve for x
    x = 631,860,243.13/28,175.85
  6. Step 6: Final answer
    x = 22,425.60

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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.