Home / 28,794.56-39,735.60-16,219.04

Finding the Fourth Proportional to 28,794.56, 39,735.60 and 16,219.04

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Solution

The fourth proportional to 28,794.56, 39,735.60 and 16,219.04 is: 22,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.56 : 39,735.60 = 16,219.04 : x
  2. Step 2: Convert to fraction form
    28,794.56/39,735.60 = 16,219.04/x
  3. Step 3: Cross multiply
    28,794.56x = 39,735.60 × 16,219.04
  4. Step 4: Simplify right side
    28,794.56x = 644,473,285.82
  5. Step 5: Solve for x
    x = 644,473,285.82/28,794.56
  6. Step 6: Final answer
    x = 22,381.77

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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.