Home / 28,290.06-39,020.94-16,951.68

Finding the Fourth Proportional to 28,290.06, 39,020.94 and 16,951.68

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Solution

The fourth proportional to 28,290.06, 39,020.94 and 16,951.68 is: 23,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.06 : 39,020.94 = 16,951.68 : x
  2. Step 2: Convert to fraction form
    28,290.06/39,020.94 = 16,951.68/x
  3. Step 3: Cross multiply
    28,290.06x = 39,020.94 × 16,951.68
  4. Step 4: Simplify right side
    28,290.06x = 661,470,488.18
  5. Step 5: Solve for x
    x = 661,470,488.18/28,290.06
  6. Step 6: Final answer
    x = 23,381.73

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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.