Home / 38,138.76-57,208.20-15,940.02

Finding the Fourth Proportional to 38,138.76, 57,208.20 and 15,940.02

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Solution

The fourth proportional to 38,138.76, 57,208.20 and 15,940.02 is: 23,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.76 : 57,208.20 = 15,940.02 : x
  2. Step 2: Convert to fraction form
    38,138.76/57,208.20 = 15,940.02/x
  3. Step 3: Cross multiply
    38,138.76x = 57,208.20 × 15,940.02
  4. Step 4: Simplify right side
    38,138.76x = 911,899,852.16
  5. Step 5: Solve for x
    x = 911,899,852.16/38,138.76
  6. Step 6: Final answer
    x = 23,910.06

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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.