Home / 27,921.64-38,529.84-16,590.64

Finding the Fourth Proportional to 27,921.64, 38,529.84 and 16,590.64

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Solution

The fourth proportional to 27,921.64, 38,529.84 and 16,590.64 is: 22,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.64 : 38,529.84 = 16,590.64 : x
  2. Step 2: Convert to fraction form
    27,921.64/38,529.84 = 16,590.64/x
  3. Step 3: Cross multiply
    27,921.64x = 38,529.84 × 16,590.64
  4. Step 4: Simplify right side
    27,921.64x = 639,234,704.70
  5. Step 5: Solve for x
    x = 639,234,704.70/27,921.64
  6. Step 6: Final answer
    x = 22,893.88

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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.