Home / 28,429.18-39,234.10-16,496.53

Finding the Fourth Proportional to 28,429.18, 39,234.10 and 16,496.53

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Solution

The fourth proportional to 28,429.18, 39,234.10 and 16,496.53 is: 22,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.18 : 39,234.10 = 16,496.53 : x
  2. Step 2: Convert to fraction form
    28,429.18/39,234.10 = 16,496.53/x
  3. Step 3: Cross multiply
    28,429.18x = 39,234.10 × 16,496.53
  4. Step 4: Simplify right side
    28,429.18x = 647,226,311.50
  5. Step 5: Solve for x
    x = 647,226,311.50/28,429.18
  6. Step 6: Final answer
    x = 22,766.27

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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.