Home / 20,173.60-30,264.50-7,027

Finding the Fourth Proportional to 20,173.60, 30,264.50 and 7,027

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Solution

The fourth proportional to 20,173.60, 30,264.50 and 7,027 is: 10,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.60 : 30,264.50 = 7,027 : x
  2. Step 2: Convert to fraction form
    20,173.60/30,264.50 = 7,027/x
  3. Step 3: Cross multiply
    20,173.60x = 30,264.50 × 7,027
  4. Step 4: Simplify right side
    20,173.60x = 212,668,641.50
  5. Step 5: Solve for x
    x = 212,668,641.50/20,173.60
  6. Step 6: Final answer
    x = 10,541.93

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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.