Home / 20,627.57-30,938.61-5,837.78

Finding the Fourth Proportional to 20,627.57, 30,938.61 and 5,837.78

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Solution

The fourth proportional to 20,627.57, 30,938.61 and 5,837.78 is: 8,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.57 : 30,938.61 = 5,837.78 : x
  2. Step 2: Convert to fraction form
    20,627.57/30,938.61 = 5,837.78/x
  3. Step 3: Cross multiply
    20,627.57x = 30,938.61 × 5,837.78
  4. Step 4: Simplify right side
    20,627.57x = 180,612,798.69
  5. Step 5: Solve for x
    x = 180,612,798.69/20,627.57
  6. Step 6: Final answer
    x = 8,755.89

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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.