Home / 38,091.65-57,144.10-15,920.60

Finding the Fourth Proportional to 38,091.65, 57,144.10 and 15,920.60

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Solution

The fourth proportional to 38,091.65, 57,144.10 and 15,920.60 is: 23,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.65 : 57,144.10 = 15,920.60 : x
  2. Step 2: Convert to fraction form
    38,091.65/57,144.10 = 15,920.60/x
  3. Step 3: Cross multiply
    38,091.65x = 57,144.10 × 15,920.60
  4. Step 4: Simplify right side
    38,091.65x = 909,768,032.94
  5. Step 5: Solve for x
    x = 909,768,032.94/38,091.65
  6. Step 6: Final answer
    x = 23,883.66

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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.