Home / 28,821.75-39,730.46-22,523.19

Finding the Fourth Proportional to 28,821.75, 39,730.46 and 22,523.19

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Solution

The fourth proportional to 28,821.75, 39,730.46 and 22,523.19 is: 31,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.75 : 39,730.46 = 22,523.19 : x
  2. Step 2: Convert to fraction form
    28,821.75/39,730.46 = 22,523.19/x
  3. Step 3: Cross multiply
    28,821.75x = 39,730.46 × 22,523.19
  4. Step 4: Simplify right side
    28,821.75x = 894,856,699.37
  5. Step 5: Solve for x
    x = 894,856,699.37/28,821.75
  6. Step 6: Final answer
    x = 31,047.97

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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.