Home / 28,124.15-38,786.16-23,336.48

Finding the Fourth Proportional to 28,124.15, 38,786.16 and 23,336.48

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Solution

The fourth proportional to 28,124.15, 38,786.16 and 23,336.48 is: 32,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.15 : 38,786.16 = 23,336.48 : x
  2. Step 2: Convert to fraction form
    28,124.15/38,786.16 = 23,336.48/x
  3. Step 3: Cross multiply
    28,124.15x = 38,786.16 × 23,336.48
  4. Step 4: Simplify right side
    28,124.15x = 905,132,447.12
  5. Step 5: Solve for x
    x = 905,132,447.12/28,124.15
  6. Step 6: Final answer
    x = 32,183.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.