Home / 28,942.23-39,940.47-16,849.92

Finding the Fourth Proportional to 28,942.23, 39,940.47 and 16,849.92

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Solution

The fourth proportional to 28,942.23, 39,940.47 and 16,849.92 is: 23,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.23 : 39,940.47 = 16,849.92 : x
  2. Step 2: Convert to fraction form
    28,942.23/39,940.47 = 16,849.92/x
  3. Step 3: Cross multiply
    28,942.23x = 39,940.47 × 16,849.92
  4. Step 4: Simplify right side
    28,942.23x = 672,993,724.26
  5. Step 5: Solve for x
    x = 672,993,724.26/28,942.23
  6. Step 6: Final answer
    x = 23,253.00

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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.