Home / 28,835.70-39,795.21-16,091.16

Finding the Fourth Proportional to 28,835.70, 39,795.21 and 16,091.16

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Solution

The fourth proportional to 28,835.70, 39,795.21 and 16,091.16 is: 22,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.70 : 39,795.21 = 16,091.16 : x
  2. Step 2: Convert to fraction form
    28,835.70/39,795.21 = 16,091.16/x
  3. Step 3: Cross multiply
    28,835.70x = 39,795.21 × 16,091.16
  4. Step 4: Simplify right side
    28,835.70x = 640,351,091.34
  5. Step 5: Solve for x
    x = 640,351,091.34/28,835.70
  6. Step 6: Final answer
    x = 22,206.89

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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.