Home / 28,904.14-39,892.79-16,808.37

Finding the Fourth Proportional to 28,904.14, 39,892.79 and 16,808.37

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Solution

The fourth proportional to 28,904.14, 39,892.79 and 16,808.37 is: 23,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.14 : 39,892.79 = 16,808.37 : x
  2. Step 2: Convert to fraction form
    28,904.14/39,892.79 = 16,808.37/x
  3. Step 3: Cross multiply
    28,904.14x = 39,892.79 × 16,808.37
  4. Step 4: Simplify right side
    28,904.14x = 670,532,774.65
  5. Step 5: Solve for x
    x = 670,532,774.65/28,904.14
  6. Step 6: Final answer
    x = 23,198.50

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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.