Home / 20,387.19-30,577.20-5,592.54

Finding the Fourth Proportional to 20,387.19, 30,577.20 and 5,592.54

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Solution

The fourth proportional to 20,387.19, 30,577.20 and 5,592.54 is: 8,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387.19 : 30,577.20 = 5,592.54 : x
  2. Step 2: Convert to fraction form
    20,387.19/30,577.20 = 5,592.54/x
  3. Step 3: Cross multiply
    20,387.19x = 30,577.20 × 5,592.54
  4. Step 4: Simplify right side
    20,387.19x = 171,004,307.78
  5. Step 5: Solve for x
    x = 171,004,307.78/20,387.19
  6. Step 6: Final answer
    x = 8,387.83

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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.