Home / 27,823.94-38,410.34-15,884.96

Finding the Fourth Proportional to 27,823.94, 38,410.34 and 15,884.96

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Solution

The fourth proportional to 27,823.94, 38,410.34 and 15,884.96 is: 21,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.94 : 38,410.34 = 15,884.96 : x
  2. Step 2: Convert to fraction form
    27,823.94/38,410.34 = 15,884.96/x
  3. Step 3: Cross multiply
    27,823.94x = 38,410.34 × 15,884.96
  4. Step 4: Simplify right side
    27,823.94x = 610,146,714.49
  5. Step 5: Solve for x
    x = 610,146,714.49/27,823.94
  6. Step 6: Final answer
    x = 21,928.84

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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.