Home / 27,703.94-38,232.45-15,768.26

Finding the Fourth Proportional to 27,703.94, 38,232.45 and 15,768.26

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Solution

The fourth proportional to 27,703.94, 38,232.45 and 15,768.26 is: 21,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.94 : 38,232.45 = 15,768.26 : x
  2. Step 2: Convert to fraction form
    27,703.94/38,232.45 = 15,768.26/x
  3. Step 3: Cross multiply
    27,703.94x = 38,232.45 × 15,768.26
  4. Step 4: Simplify right side
    27,703.94x = 602,859,212.04
  5. Step 5: Solve for x
    x = 602,859,212.04/27,703.94
  6. Step 6: Final answer
    x = 21,760.78

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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.