Home / 27,757.42-38,306.62-16,433.40

Finding the Fourth Proportional to 27,757.42, 38,306.62 and 16,433.40

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Solution

The fourth proportional to 27,757.42, 38,306.62 and 16,433.40 is: 22,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.42 : 38,306.62 = 16,433.40 : x
  2. Step 2: Convert to fraction form
    27,757.42/38,306.62 = 16,433.40/x
  3. Step 3: Cross multiply
    27,757.42x = 38,306.62 × 16,433.40
  4. Step 4: Simplify right side
    27,757.42x = 629,508,009.11
  5. Step 5: Solve for x
    x = 629,508,009.11/27,757.42
  6. Step 6: Final answer
    x = 22,678.91

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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.