Home / 27,315.29-37,582.38-21,336.59

Finding the Fourth Proportional to 27,315.29, 37,582.38 and 21,336.59

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Solution

The fourth proportional to 27,315.29, 37,582.38 and 21,336.59 is: 29,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.29 : 37,582.38 = 21,336.59 : x
  2. Step 2: Convert to fraction form
    27,315.29/37,582.38 = 21,336.59/x
  3. Step 3: Cross multiply
    27,315.29x = 37,582.38 × 21,336.59
  4. Step 4: Simplify right side
    27,315.29x = 801,879,645.37
  5. Step 5: Solve for x
    x = 801,879,645.37/27,315.29
  6. Step 6: Final answer
    x = 29,356.44

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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.