Home / 28,910.08-43,331.52-19,047.04

Finding the Fourth Proportional to 28,910.08, 43,331.52 and 19,047.04

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Solution

The fourth proportional to 28,910.08, 43,331.52 and 19,047.04 is: 28,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.08 : 43,331.52 = 19,047.04 : x
  2. Step 2: Convert to fraction form
    28,910.08/43,331.52 = 19,047.04/x
  3. Step 3: Cross multiply
    28,910.08x = 43,331.52 × 19,047.04
  4. Step 4: Simplify right side
    28,910.08x = 825,337,194.70
  5. Step 5: Solve for x
    x = 825,337,194.70/28,910.08
  6. Step 6: Final answer
    x = 28,548.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.