Home / 28,644.75-39,530.03-16,069.77

Finding the Fourth Proportional to 28,644.75, 39,530.03 and 16,069.77

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Solution

The fourth proportional to 28,644.75, 39,530.03 and 16,069.77 is: 22,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.75 : 39,530.03 = 16,069.77 : x
  2. Step 2: Convert to fraction form
    28,644.75/39,530.03 = 16,069.77/x
  3. Step 3: Cross multiply
    28,644.75x = 39,530.03 × 16,069.77
  4. Step 4: Simplify right side
    28,644.75x = 635,238,409.84
  5. Step 5: Solve for x
    x = 635,238,409.84/28,644.75
  6. Step 6: Final answer
    x = 22,176.43

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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.