Home / 28,374.24-39,144.83-16,267.98

Finding the Fourth Proportional to 28,374.24, 39,144.83 and 16,267.98

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Solution

The fourth proportional to 28,374.24, 39,144.83 and 16,267.98 is: 22,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.24 : 39,144.83 = 16,267.98 : x
  2. Step 2: Convert to fraction form
    28,374.24/39,144.83 = 16,267.98/x
  3. Step 3: Cross multiply
    28,374.24x = 39,144.83 × 16,267.98
  4. Step 4: Simplify right side
    28,374.24x = 636,807,311.54
  5. Step 5: Solve for x
    x = 636,807,311.54/28,374.24
  6. Step 6: Final answer
    x = 22,443.15

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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.