Home / 27,794.07-38,359.04-15,859.13

Finding the Fourth Proportional to 27,794.07, 38,359.04 and 15,859.13

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Solution

The fourth proportional to 27,794.07, 38,359.04 and 15,859.13 is: 21,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.07 : 38,359.04 = 15,859.13 : x
  2. Step 2: Convert to fraction form
    27,794.07/38,359.04 = 15,859.13/x
  3. Step 3: Cross multiply
    27,794.07x = 38,359.04 × 15,859.13
  4. Step 4: Simplify right side
    27,794.07x = 608,340,730.94
  5. Step 5: Solve for x
    x = 608,340,730.94/27,794.07
  6. Step 6: Final answer
    x = 21,887.43

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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.