Home / 28,634.69-39,516.18-17,308.46

Finding the Fourth Proportional to 28,634.69, 39,516.18 and 17,308.46

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Solution

The fourth proportional to 28,634.69, 39,516.18 and 17,308.46 is: 23,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.69 : 39,516.18 = 17,308.46 : x
  2. Step 2: Convert to fraction form
    28,634.69/39,516.18 = 17,308.46/x
  3. Step 3: Cross multiply
    28,634.69x = 39,516.18 × 17,308.46
  4. Step 4: Simplify right side
    28,634.69x = 683,964,220.88
  5. Step 5: Solve for x
    x = 683,964,220.88/28,634.69
  6. Step 6: Final answer
    x = 23,885.86

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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.