Home / 25,834.40-38,751.60-17,079.20

Finding the Fourth Proportional to 25,834.40, 38,751.60 and 17,079.20

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Solution

The fourth proportional to 25,834.40, 38,751.60 and 17,079.20 is: 25,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,834.40 : 38,751.60 = 17,079.20 : x
  2. Step 2: Convert to fraction form
    25,834.40/38,751.60 = 17,079.20/x
  3. Step 3: Cross multiply
    25,834.40x = 38,751.60 × 17,079.20
  4. Step 4: Simplify right side
    25,834.40x = 661,846,326.72
  5. Step 5: Solve for x
    x = 661,846,326.72/25,834.40
  6. Step 6: Final answer
    x = 25,618.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.