Home / 28,832.16-39,789.08-16,085.25

Finding the Fourth Proportional to 28,832.16, 39,789.08 and 16,085.25

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Solution

The fourth proportional to 28,832.16, 39,789.08 and 16,085.25 is: 22,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.16 : 39,789.08 = 16,085.25 : x
  2. Step 2: Convert to fraction form
    28,832.16/39,789.08 = 16,085.25/x
  3. Step 3: Cross multiply
    28,832.16x = 39,789.08 × 16,085.25
  4. Step 4: Simplify right side
    28,832.16x = 640,017,218.64
  5. Step 5: Solve for x
    x = 640,017,218.64/28,832.16
  6. Step 6: Final answer
    x = 22,198.03

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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.