Home / 28,348.22-39,115.50-16,410.98

Finding the Fourth Proportional to 28,348.22, 39,115.50 and 16,410.98

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Solution

The fourth proportional to 28,348.22, 39,115.50 and 16,410.98 is: 22,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.22 : 39,115.50 = 16,410.98 : x
  2. Step 2: Convert to fraction form
    28,348.22/39,115.50 = 16,410.98/x
  3. Step 3: Cross multiply
    28,348.22x = 39,115.50 × 16,410.98
  4. Step 4: Simplify right side
    28,348.22x = 641,923,688.19
  5. Step 5: Solve for x
    x = 641,923,688.19/28,348.22
  6. Step 6: Final answer
    x = 22,644.23

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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.