Home / 20,567.24-30,863.10-8,880.20

Finding the Fourth Proportional to 20,567.24, 30,863.10 and 8,880.20

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Solution

The fourth proportional to 20,567.24, 30,863.10 and 8,880.20 is: 13,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.24 : 30,863.10 = 8,880.20 : x
  2. Step 2: Convert to fraction form
    20,567.24/30,863.10 = 8,880.20/x
  3. Step 3: Cross multiply
    20,567.24x = 30,863.10 × 8,880.20
  4. Step 4: Simplify right side
    20,567.24x = 274,070,500.62
  5. Step 5: Solve for x
    x = 274,070,500.62/20,567.24
  6. Step 6: Final answer
    x = 13,325.58

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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.