Home / 27,784.33-38,339.94-16,451.79

Finding the Fourth Proportional to 27,784.33, 38,339.94 and 16,451.79

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Solution

The fourth proportional to 27,784.33, 38,339.94 and 16,451.79 is: 22,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.33 : 38,339.94 = 16,451.79 : x
  2. Step 2: Convert to fraction form
    27,784.33/38,339.94 = 16,451.79/x
  3. Step 3: Cross multiply
    27,784.33x = 38,339.94 × 16,451.79
  4. Step 4: Simplify right side
    27,784.33x = 630,760,641.49
  5. Step 5: Solve for x
    x = 630,760,641.49/27,784.33
  6. Step 6: Final answer
    x = 22,702.03

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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.