Home / 20,028.52-30,043.56-5,988.76

Finding the Fourth Proportional to 20,028.52, 30,043.56 and 5,988.76

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Solution

The fourth proportional to 20,028.52, 30,043.56 and 5,988.76 is: 8,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.52 : 30,043.56 = 5,988.76 : x
  2. Step 2: Convert to fraction form
    20,028.52/30,043.56 = 5,988.76/x
  3. Step 3: Cross multiply
    20,028.52x = 30,043.56 × 5,988.76
  4. Step 4: Simplify right side
    20,028.52x = 179,923,670.39
  5. Step 5: Solve for x
    x = 179,923,670.39/20,028.52
  6. Step 6: Final answer
    x = 8,983.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.