Home / 28,285.74-39,052.46-25,255.64

Finding the Fourth Proportional to 28,285.74, 39,052.46 and 25,255.64

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Solution

The fourth proportional to 28,285.74, 39,052.46 and 25,255.64 is: 34,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.74 : 39,052.46 = 25,255.64 : x
  2. Step 2: Convert to fraction form
    28,285.74/39,052.46 = 25,255.64/x
  3. Step 3: Cross multiply
    28,285.74x = 39,052.46 × 25,255.64
  4. Step 4: Simplify right side
    28,285.74x = 986,294,549.33
  5. Step 5: Solve for x
    x = 986,294,549.33/28,285.74
  6. Step 6: Final answer
    x = 34,868.97

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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.