Home / 28,198.87-38,965.76-26,832.40

Finding the Fourth Proportional to 28,198.87, 38,965.76 and 26,832.40

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Solution

The fourth proportional to 28,198.87, 38,965.76 and 26,832.40 is: 37,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.87 : 38,965.76 = 26,832.40 : x
  2. Step 2: Convert to fraction form
    28,198.87/38,965.76 = 26,832.40/x
  3. Step 3: Cross multiply
    28,198.87x = 38,965.76 × 26,832.40
  4. Step 4: Simplify right side
    28,198.87x = 1,045,544,727.67
  5. Step 5: Solve for x
    x = 1,045,544,727.67/28,198.87
  6. Step 6: Final answer
    x = 37,077.54

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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.