Home / 27,769.97-38,282.69-19,798.35

Finding the Fourth Proportional to 27,769.97, 38,282.69 and 19,798.35

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Solution

The fourth proportional to 27,769.97, 38,282.69 and 19,798.35 is: 27,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.97 : 38,282.69 = 19,798.35 : x
  2. Step 2: Convert to fraction form
    27,769.97/38,282.69 = 19,798.35/x
  3. Step 3: Cross multiply
    27,769.97x = 38,282.69 × 19,798.35
  4. Step 4: Simplify right side
    27,769.97x = 757,934,240.76
  5. Step 5: Solve for x
    x = 757,934,240.76/27,769.97
  6. Step 6: Final answer
    x = 27,293.31

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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.