Home / 27,725.46-38,261.07-15,150.30

Finding the Fourth Proportional to 27,725.46, 38,261.07 and 15,150.30

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Solution

The fourth proportional to 27,725.46, 38,261.07 and 15,150.30 is: 20,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.46 : 38,261.07 = 15,150.30 : x
  2. Step 2: Convert to fraction form
    27,725.46/38,261.07 = 15,150.30/x
  3. Step 3: Cross multiply
    27,725.46x = 38,261.07 × 15,150.30
  4. Step 4: Simplify right side
    27,725.46x = 579,666,688.82
  5. Step 5: Solve for x
    x = 579,666,688.82/27,725.46
  6. Step 6: Final answer
    x = 20,907.38

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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.