Home / 18,522.60-27,787.88-10,628.76

Finding the Fourth Proportional to 18,522.60, 27,787.88 and 10,628.76

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Solution

The fourth proportional to 18,522.60, 27,787.88 and 10,628.76 is: 15,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.60 : 27,787.88 = 10,628.76 : x
  2. Step 2: Convert to fraction form
    18,522.60/27,787.88 = 10,628.76/x
  3. Step 3: Cross multiply
    18,522.60x = 27,787.88 × 10,628.76
  4. Step 4: Simplify right side
    18,522.60x = 295,350,707.43
  5. Step 5: Solve for x
    x = 295,350,707.43/18,522.60
  6. Step 6: Final answer
    x = 15,945.42

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1.5x scale

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.