Home / 27,836.63-38,414.49-15,261.38

Finding the Fourth Proportional to 27,836.63, 38,414.49 and 15,261.38

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Solution

The fourth proportional to 27,836.63, 38,414.49 and 15,261.38 is: 21,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.63 : 38,414.49 = 15,261.38 : x
  2. Step 2: Convert to fraction form
    27,836.63/38,414.49 = 15,261.38/x
  3. Step 3: Cross multiply
    27,836.63x = 38,414.49 × 15,261.38
  4. Step 4: Simplify right side
    27,836.63x = 586,258,129.40
  5. Step 5: Solve for x
    x = 586,258,129.40/27,836.63
  6. Step 6: Final answer
    x = 21,060.67

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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.