Home / 38,111.75-57,157.38-15,920.54

Finding the Fourth Proportional to 38,111.75, 57,157.38 and 15,920.54

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Solution

The fourth proportional to 38,111.75, 57,157.38 and 15,920.54 is: 23,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.75 : 57,157.38 = 15,920.54 : x
  2. Step 2: Convert to fraction form
    38,111.75/57,157.38 = 15,920.54/x
  3. Step 3: Cross multiply
    38,111.75x = 57,157.38 × 15,920.54
  4. Step 4: Simplify right side
    38,111.75x = 909,976,354.59
  5. Step 5: Solve for x
    x = 909,976,354.59/38,111.75
  6. Step 6: Final answer
    x = 23,876.53

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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.