Home / 38,280.16-57,420.33-11,626.39

Finding the Fourth Proportional to 38,280.16, 57,420.33 and 11,626.39

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Solution

The fourth proportional to 38,280.16, 57,420.33 and 11,626.39 is: 17,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.16 : 57,420.33 = 11,626.39 : x
  2. Step 2: Convert to fraction form
    38,280.16/57,420.33 = 11,626.39/x
  3. Step 3: Cross multiply
    38,280.16x = 57,420.33 × 11,626.39
  4. Step 4: Simplify right side
    38,280.16x = 667,591,150.51
  5. Step 5: Solve for x
    x = 667,591,150.51/38,280.16
  6. Step 6: Final answer
    x = 17,439.61

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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.