Home / 27,656.76-38,163.09-22,005.79

Finding the Fourth Proportional to 27,656.76, 38,163.09 and 22,005.79

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Solution

The fourth proportional to 27,656.76, 38,163.09 and 22,005.79 is: 30,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.76 : 38,163.09 = 22,005.79 : x
  2. Step 2: Convert to fraction form
    27,656.76/38,163.09 = 22,005.79/x
  3. Step 3: Cross multiply
    27,656.76x = 38,163.09 × 22,005.79
  4. Step 4: Simplify right side
    27,656.76x = 839,808,944.29
  5. Step 5: Solve for x
    x = 839,808,944.29/27,656.76
  6. Step 6: Final answer
    x = 30,365.41

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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.