Home / 41,474.48-57,189.60-28,022.40

Finding the Fourth Proportional to 41,474.48, 57,189.60 and 28,022.40

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Solution

The fourth proportional to 41,474.48, 57,189.60 and 28,022.40 is: 38,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,474.48 : 57,189.60 = 28,022.40 : x
  2. Step 2: Convert to fraction form
    41,474.48/57,189.60 = 28,022.40/x
  3. Step 3: Cross multiply
    41,474.48x = 57,189.60 × 28,022.40
  4. Step 4: Simplify right side
    41,474.48x = 1,602,589,847.04
  5. Step 5: Solve for x
    x = 1,602,589,847.04/41,474.48
  6. Step 6: Final answer
    x = 38,640.38

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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.