Home / 28,768.96-43,143-10,043.74

Finding the Fourth Proportional to 28,768.96, 43,143 and 10,043.74

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Solution

The fourth proportional to 28,768.96, 43,143 and 10,043.74 is: 15,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.96 : 43,143 = 10,043.74 : x
  2. Step 2: Convert to fraction form
    28,768.96/43,143 = 10,043.74/x
  3. Step 3: Cross multiply
    28,768.96x = 43,143 × 10,043.74
  4. Step 4: Simplify right side
    28,768.96x = 433,317,074.82
  5. Step 5: Solve for x
    x = 433,317,074.82/28,768.96
  6. Step 6: Final answer
    x = 15,061.97

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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.