Home / 38,205.75-57,302.33-10,127.55

Finding the Fourth Proportional to 38,205.75, 57,302.33 and 10,127.55

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Solution

The fourth proportional to 38,205.75, 57,302.33 and 10,127.55 is: 15,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.75 : 57,302.33 = 10,127.55 : x
  2. Step 2: Convert to fraction form
    38,205.75/57,302.33 = 10,127.55/x
  3. Step 3: Cross multiply
    38,205.75x = 57,302.33 × 10,127.55
  4. Step 4: Simplify right side
    38,205.75x = 580,332,212.19
  5. Step 5: Solve for x
    x = 580,332,212.19/38,205.75
  6. Step 6: Final answer
    x = 15,189.66

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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.