Home / 27,856.01-38,438.89-16,369.71

Finding the Fourth Proportional to 27,856.01, 38,438.89 and 16,369.71

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Solution

The fourth proportional to 27,856.01, 38,438.89 and 16,369.71 is: 22,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.01 : 38,438.89 = 16,369.71 : x
  2. Step 2: Convert to fraction form
    27,856.01/38,438.89 = 16,369.71/x
  3. Step 3: Cross multiply
    27,856.01x = 38,438.89 × 16,369.71
  4. Step 4: Simplify right side
    27,856.01x = 629,233,207.98
  5. Step 5: Solve for x
    x = 629,233,207.98/27,856.01
  6. Step 6: Final answer
    x = 22,588.78

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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.