Home / 28,324.98-39,065.22-25,140.60

Finding the Fourth Proportional to 28,324.98, 39,065.22 and 25,140.60

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Solution

The fourth proportional to 28,324.98, 39,065.22 and 25,140.60 is: 34,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.98 : 39,065.22 = 25,140.60 : x
  2. Step 2: Convert to fraction form
    28,324.98/39,065.22 = 25,140.60/x
  3. Step 3: Cross multiply
    28,324.98x = 39,065.22 × 25,140.60
  4. Step 4: Simplify right side
    28,324.98x = 982,123,069.93
  5. Step 5: Solve for x
    x = 982,123,069.93/28,324.98
  6. Step 6: Final answer
    x = 34,673.39

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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.