Home / 27,721.68-41,582.16-6,945.36

Finding the Fourth Proportional to 27,721.68, 41,582.16 and 6,945.36

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Solution

The fourth proportional to 27,721.68, 41,582.16 and 6,945.36 is: 10,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.68 : 41,582.16 = 6,945.36 : x
  2. Step 2: Convert to fraction form
    27,721.68/41,582.16 = 6,945.36/x
  3. Step 3: Cross multiply
    27,721.68x = 41,582.16 × 6,945.36
  4. Step 4: Simplify right side
    27,721.68x = 288,803,070.78
  5. Step 5: Solve for x
    x = 288,803,070.78/27,721.68
  6. Step 6: Final answer
    x = 10,417.95

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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.