Home / 27,704.58-38,232.99-15,769.23

Finding the Fourth Proportional to 27,704.58, 38,232.99 and 15,769.23

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Solution

The fourth proportional to 27,704.58, 38,232.99 and 15,769.23 is: 21,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.58 : 38,232.99 = 15,769.23 : x
  2. Step 2: Convert to fraction form
    27,704.58/38,232.99 = 15,769.23/x
  3. Step 3: Cross multiply
    27,704.58x = 38,232.99 × 15,769.23
  4. Step 4: Simplify right side
    27,704.58x = 602,904,812.90
  5. Step 5: Solve for x
    x = 602,904,812.90/27,704.58
  6. Step 6: Final answer
    x = 21,761.92

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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.