Home / 28,586.10-39,442.38-17,257.44

Finding the Fourth Proportional to 28,586.10, 39,442.38 and 17,257.44

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Solution

The fourth proportional to 28,586.10, 39,442.38 and 17,257.44 is: 23,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.10 : 39,442.38 = 17,257.44 : x
  2. Step 2: Convert to fraction form
    28,586.10/39,442.38 = 17,257.44/x
  3. Step 3: Cross multiply
    28,586.10x = 39,442.38 × 17,257.44
  4. Step 4: Simplify right side
    28,586.10x = 680,674,506.31
  5. Step 5: Solve for x
    x = 680,674,506.31/28,586.10
  6. Step 6: Final answer
    x = 23,811.38

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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.