Home / 38,283.96-52,857.90-28,213.56

Finding the Fourth Proportional to 38,283.96, 52,857.90 and 28,213.56

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Solution

The fourth proportional to 38,283.96, 52,857.90 and 28,213.56 is: 38,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.96 : 52,857.90 = 28,213.56 : x
  2. Step 2: Convert to fraction form
    38,283.96/52,857.90 = 28,213.56/x
  3. Step 3: Cross multiply
    38,283.96x = 52,857.90 × 28,213.56
  4. Step 4: Simplify right side
    38,283.96x = 1,491,309,533.12
  5. Step 5: Solve for x
    x = 1,491,309,533.12/38,283.96
  6. Step 6: Final answer
    x = 38,953.90

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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.