Home / 28,795.87-39,739.52-16,049.07

Finding the Fourth Proportional to 28,795.87, 39,739.52 and 16,049.07

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Solution

The fourth proportional to 28,795.87, 39,739.52 and 16,049.07 is: 22,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.87 : 39,739.52 = 16,049.07 : x
  2. Step 2: Convert to fraction form
    28,795.87/39,739.52 = 16,049.07/x
  3. Step 3: Cross multiply
    28,795.87x = 39,739.52 × 16,049.07
  4. Step 4: Simplify right side
    28,795.87x = 637,782,338.25
  5. Step 5: Solve for x
    x = 637,782,338.25/28,795.87
  6. Step 6: Final answer
    x = 22,148.40

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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.