Home / 20,435.02-30,626.18-8,575.44

Finding the Fourth Proportional to 20,435.02, 30,626.18 and 8,575.44

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Solution

The fourth proportional to 20,435.02, 30,626.18 and 8,575.44 is: 12,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.02 : 30,626.18 = 8,575.44 : x
  2. Step 2: Convert to fraction form
    20,435.02/30,626.18 = 8,575.44/x
  3. Step 3: Cross multiply
    20,435.02x = 30,626.18 × 8,575.44
  4. Step 4: Simplify right side
    20,435.02x = 262,632,969.02
  5. Step 5: Solve for x
    x = 262,632,969.02/20,435.02
  6. Step 6: Final answer
    x = 12,852.10

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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.