Home / 28,582.47-39,431.69-17,968.23

Finding the Fourth Proportional to 28,582.47, 39,431.69 and 17,968.23

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Solution

The fourth proportional to 28,582.47, 39,431.69 and 17,968.23 is: 24,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.47 : 39,431.69 = 17,968.23 : x
  2. Step 2: Convert to fraction form
    28,582.47/39,431.69 = 17,968.23/x
  3. Step 3: Cross multiply
    28,582.47x = 39,431.69 × 17,968.23
  4. Step 4: Simplify right side
    28,582.47x = 708,517,675.21
  5. Step 5: Solve for x
    x = 708,517,675.21/28,582.47
  6. Step 6: Final answer
    x = 24,788.54

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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.