Home / 20,416.63-30,627.06-5,625.54

Finding the Fourth Proportional to 20,416.63, 30,627.06 and 5,625.54

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Solution

The fourth proportional to 20,416.63, 30,627.06 and 5,625.54 is: 8,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.63 : 30,627.06 = 5,625.54 : x
  2. Step 2: Convert to fraction form
    20,416.63/30,627.06 = 5,625.54/x
  3. Step 3: Cross multiply
    20,416.63x = 30,627.06 × 5,625.54
  4. Step 4: Simplify right side
    20,416.63x = 172,293,876.80
  5. Step 5: Solve for x
    x = 172,293,876.80/20,416.63
  6. Step 6: Final answer
    x = 8,438.90

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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.