Home / 27,984.43-38,667.68-22,365.56

Finding the Fourth Proportional to 27,984.43, 38,667.68 and 22,365.56

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Solution

The fourth proportional to 27,984.43, 38,667.68 and 22,365.56 is: 30,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.43 : 38,667.68 = 22,365.56 : x
  2. Step 2: Convert to fraction form
    27,984.43/38,667.68 = 22,365.56/x
  3. Step 3: Cross multiply
    27,984.43x = 38,667.68 × 22,365.56
  4. Step 4: Simplify right side
    27,984.43x = 864,824,385.81
  5. Step 5: Solve for x
    x = 864,824,385.81/27,984.43
  6. Step 6: Final answer
    x = 30,903.77

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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.