Home / 38,527.20-57,790.80-18,795.60

Finding the Fourth Proportional to 38,527.20, 57,790.80 and 18,795.60

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Solution

The fourth proportional to 38,527.20, 57,790.80 and 18,795.60 is: 28,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.20 : 57,790.80 = 18,795.60 : x
  2. Step 2: Convert to fraction form
    38,527.20/57,790.80 = 18,795.60/x
  3. Step 3: Cross multiply
    38,527.20x = 57,790.80 × 18,795.60
  4. Step 4: Simplify right side
    38,527.20x = 1,086,212,760.48
  5. Step 5: Solve for x
    x = 1,086,212,760.48/38,527.20
  6. Step 6: Final answer
    x = 28,193.40

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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.