Home / 28,868.77-39,842.36-17,540.11

Finding the Fourth Proportional to 28,868.77, 39,842.36 and 17,540.11

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Solution

The fourth proportional to 28,868.77, 39,842.36 and 17,540.11 is: 24,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.77 : 39,842.36 = 17,540.11 : x
  2. Step 2: Convert to fraction form
    28,868.77/39,842.36 = 17,540.11/x
  3. Step 3: Cross multiply
    28,868.77x = 39,842.36 × 17,540.11
  4. Step 4: Simplify right side
    28,868.77x = 698,839,503.60
  5. Step 5: Solve for x
    x = 698,839,503.60/28,868.77
  6. Step 6: Final answer
    x = 24,207.46

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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.