Home / 38,427.18-57,640.66-13,467.19

Finding the Fourth Proportional to 38,427.18, 57,640.66 and 13,467.19

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Solution

The fourth proportional to 38,427.18, 57,640.66 and 13,467.19 is: 20,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.18 : 57,640.66 = 13,467.19 : x
  2. Step 2: Convert to fraction form
    38,427.18/57,640.66 = 13,467.19/x
  3. Step 3: Cross multiply
    38,427.18x = 57,640.66 × 13,467.19
  4. Step 4: Simplify right side
    38,427.18x = 776,257,928.65
  5. Step 5: Solve for x
    x = 776,257,928.65/38,427.18
  6. Step 6: Final answer
    x = 20,200.75

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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.