Home / 27,679.28-38,186.52-17,605.04

Finding the Fourth Proportional to 27,679.28, 38,186.52 and 17,605.04

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Solution

The fourth proportional to 27,679.28, 38,186.52 and 17,605.04 is: 24,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.28 : 38,186.52 = 17,605.04 : x
  2. Step 2: Convert to fraction form
    27,679.28/38,186.52 = 17,605.04/x
  3. Step 3: Cross multiply
    27,679.28x = 38,186.52 × 17,605.04
  4. Step 4: Simplify right side
    27,679.28x = 672,275,212.06
  5. Step 5: Solve for x
    x = 672,275,212.06/27,679.28
  6. Step 6: Final answer
    x = 24,288.03

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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.