Home / 28,504.62-42,713.16-17,394.66

Finding the Fourth Proportional to 28,504.62, 42,713.16 and 17,394.66

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Solution

The fourth proportional to 28,504.62, 42,713.16 and 17,394.66 is: 26,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.62 : 42,713.16 = 17,394.66 : x
  2. Step 2: Convert to fraction form
    28,504.62/42,713.16 = 17,394.66/x
  3. Step 3: Cross multiply
    28,504.62x = 42,713.16 × 17,394.66
  4. Step 4: Simplify right side
    28,504.62x = 742,980,895.73
  5. Step 5: Solve for x
    x = 742,980,895.73/28,504.62
  6. Step 6: Final answer
    x = 26,065.28

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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.