Home / 27,775.15-38,324.04-16,439

Finding the Fourth Proportional to 27,775.15, 38,324.04 and 16,439

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Solution

The fourth proportional to 27,775.15, 38,324.04 and 16,439 is: 22,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.15 : 38,324.04 = 16,439 : x
  2. Step 2: Convert to fraction form
    27,775.15/38,324.04 = 16,439/x
  3. Step 3: Cross multiply
    27,775.15x = 38,324.04 × 16,439
  4. Step 4: Simplify right side
    27,775.15x = 630,008,893.56
  5. Step 5: Solve for x
    x = 630,008,893.56/27,775.15
  6. Step 6: Final answer
    x = 22,682.47

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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.