Home / 15,522.76-21,446.46-10,828

Finding the Fourth Proportional to 15,522.76, 21,446.46 and 10,828

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Solution

The fourth proportional to 15,522.76, 21,446.46 and 10,828 is: 14,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.76 : 21,446.46 = 10,828 : x
  2. Step 2: Convert to fraction form
    15,522.76/21,446.46 = 10,828/x
  3. Step 3: Cross multiply
    15,522.76x = 21,446.46 × 10,828
  4. Step 4: Simplify right side
    15,522.76x = 232,222,268.88
  5. Step 5: Solve for x
    x = 232,222,268.88/15,522.76
  6. Step 6: Final answer
    x = 14,960.11

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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.