Home / 27,339.99-37,729.29-15,857.16

Finding the Fourth Proportional to 27,339.99, 37,729.29 and 15,857.16

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Solution

The fourth proportional to 27,339.99, 37,729.29 and 15,857.16 is: 21,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.99 : 37,729.29 = 15,857.16 : x
  2. Step 2: Convert to fraction form
    27,339.99/37,729.29 = 15,857.16/x
  3. Step 3: Cross multiply
    27,339.99x = 37,729.29 × 15,857.16
  4. Step 4: Simplify right side
    27,339.99x = 598,279,388.22
  5. Step 5: Solve for x
    x = 598,279,388.22/27,339.99
  6. Step 6: Final answer
    x = 21,882.94

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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.