Home / 27,816.51-41,702.88-13,766.67

Finding the Fourth Proportional to 27,816.51, 41,702.88 and 13,766.67

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Solution

The fourth proportional to 27,816.51, 41,702.88 and 13,766.67 is: 20,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.51 : 41,702.88 = 13,766.67 : x
  2. Step 2: Convert to fraction form
    27,816.51/41,702.88 = 13,766.67/x
  3. Step 3: Cross multiply
    27,816.51x = 41,702.88 × 13,766.67
  4. Step 4: Simplify right side
    27,816.51x = 574,109,787.01
  5. Step 5: Solve for x
    x = 574,109,787.01/27,816.51
  6. Step 6: Final answer
    x = 20,639.17

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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.