Home / 27,725.79-38,261.57-15,150.54

Finding the Fourth Proportional to 27,725.79, 38,261.57 and 15,150.54

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Solution

The fourth proportional to 27,725.79, 38,261.57 and 15,150.54 is: 20,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.79 : 38,261.57 = 15,150.54 : x
  2. Step 2: Convert to fraction form
    27,725.79/38,261.57 = 15,150.54/x
  3. Step 3: Cross multiply
    27,725.79x = 38,261.57 × 15,150.54
  4. Step 4: Simplify right side
    27,725.79x = 579,683,446.75
  5. Step 5: Solve for x
    x = 579,683,446.75/27,725.79
  6. Step 6: Final answer
    x = 20,907.73

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1.5x scale

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.