Home / 38,728.54-58,086.73-10,650.70

Finding the Fourth Proportional to 38,728.54, 58,086.73 and 10,650.70

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Solution

The fourth proportional to 38,728.54, 58,086.73 and 10,650.70 is: 15,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.54 : 58,086.73 = 10,650.70 : x
  2. Step 2: Convert to fraction form
    38,728.54/58,086.73 = 10,650.70/x
  3. Step 3: Cross multiply
    38,728.54x = 58,086.73 × 10,650.70
  4. Step 4: Simplify right side
    38,728.54x = 618,663,991.52
  5. Step 5: Solve for x
    x = 618,663,991.52/38,728.54
  6. Step 6: Final answer
    x = 15,974.37

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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.