Home / 28,576.20-39,435.71-17,102.92

Finding the Fourth Proportional to 28,576.20, 39,435.71 and 17,102.92

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Solution

The fourth proportional to 28,576.20, 39,435.71 and 17,102.92 is: 23,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.20 : 39,435.71 = 17,102.92 : x
  2. Step 2: Convert to fraction form
    28,576.20/39,435.71 = 17,102.92/x
  3. Step 3: Cross multiply
    28,576.20x = 39,435.71 × 17,102.92
  4. Step 4: Simplify right side
    28,576.20x = 674,465,934.62
  5. Step 5: Solve for x
    x = 674,465,934.62/28,576.20
  6. Step 6: Final answer
    x = 23,602.37

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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.