Home / 20,081.60-27,650.76-17,839.56

Finding the Fourth Proportional to 20,081.60, 27,650.76 and 17,839.56

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Solution

The fourth proportional to 20,081.60, 27,650.76 and 17,839.56 is: 24,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.60 : 27,650.76 = 17,839.56 : x
  2. Step 2: Convert to fraction form
    20,081.60/27,650.76 = 17,839.56/x
  3. Step 3: Cross multiply
    20,081.60x = 27,650.76 × 17,839.56
  4. Step 4: Simplify right side
    20,081.60x = 493,277,392.07
  5. Step 5: Solve for x
    x = 493,277,392.07/20,081.60
  6. Step 6: Final answer
    x = 24,563.65

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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.