Home / 27,106.43-40,585.83-21,081.59

Finding the Fourth Proportional to 27,106.43, 40,585.83 and 21,081.59

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Solution

The fourth proportional to 27,106.43, 40,585.83 and 21,081.59 is: 31,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.43 : 40,585.83 = 21,081.59 : x
  2. Step 2: Convert to fraction form
    27,106.43/40,585.83 = 21,081.59/x
  3. Step 3: Cross multiply
    27,106.43x = 40,585.83 × 21,081.59
  4. Step 4: Simplify right side
    27,106.43x = 855,613,827.87
  5. Step 5: Solve for x
    x = 855,613,827.87/27,106.43
  6. Step 6: Final answer
    x = 31,564.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.