Home / 27,655.76-38,161.71-22,004.79

Finding the Fourth Proportional to 27,655.76, 38,161.71 and 22,004.79

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Solution

The fourth proportional to 27,655.76, 38,161.71 and 22,004.79 is: 30,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655.76 : 38,161.71 = 22,004.79 : x
  2. Step 2: Convert to fraction form
    27,655.76/38,161.71 = 22,004.79/x
  3. Step 3: Cross multiply
    27,655.76x = 38,161.71 × 22,004.79
  4. Step 4: Simplify right side
    27,655.76x = 839,740,414.59
  5. Step 5: Solve for x
    x = 839,740,414.59/27,655.76
  6. Step 6: Final answer
    x = 30,364.04

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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.