Home / 38,628.88-57,906.33-12,316.57

Finding the Fourth Proportional to 38,628.88, 57,906.33 and 12,316.57

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Solution

The fourth proportional to 38,628.88, 57,906.33 and 12,316.57 is: 18,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.88 : 57,906.33 = 12,316.57 : x
  2. Step 2: Convert to fraction form
    38,628.88/57,906.33 = 12,316.57/x
  3. Step 3: Cross multiply
    38,628.88x = 57,906.33 × 12,316.57
  4. Step 4: Simplify right side
    38,628.88x = 713,207,366.89
  5. Step 5: Solve for x
    x = 713,207,366.89/38,628.88
  6. Step 6: Final answer
    x = 18,463.06

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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.