Home / 27,798.03-38,361.75-15,221.97

Finding the Fourth Proportional to 27,798.03, 38,361.75 and 15,221.97

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Solution

The fourth proportional to 27,798.03, 38,361.75 and 15,221.97 is: 21,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.03 : 38,361.75 = 15,221.97 : x
  2. Step 2: Convert to fraction form
    27,798.03/38,361.75 = 15,221.97/x
  3. Step 3: Cross multiply
    27,798.03x = 38,361.75 × 15,221.97
  4. Step 4: Simplify right side
    27,798.03x = 583,941,407.65
  5. Step 5: Solve for x
    x = 583,941,407.65/27,798.03
  6. Step 6: Final answer
    x = 21,006.58

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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.