Home / 27,819.96-38,391.66-15,244.92

Finding the Fourth Proportional to 27,819.96, 38,391.66 and 15,244.92

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Solution

The fourth proportional to 27,819.96, 38,391.66 and 15,244.92 is: 21,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.96 : 38,391.66 = 15,244.92 : x
  2. Step 2: Convert to fraction form
    27,819.96/38,391.66 = 15,244.92/x
  3. Step 3: Cross multiply
    27,819.96x = 38,391.66 × 15,244.92
  4. Step 4: Simplify right side
    27,819.96x = 585,277,785.37
  5. Step 5: Solve for x
    x = 585,277,785.37/27,819.96
  6. Step 6: Final answer
    x = 21,038.05

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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.