Home / 28,226.02-42,339.30-8,504.68

Finding the Fourth Proportional to 28,226.02, 42,339.30 and 8,504.68

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Solution

The fourth proportional to 28,226.02, 42,339.30 and 8,504.68 is: 12,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.02 : 42,339.30 = 8,504.68 : x
  2. Step 2: Convert to fraction form
    28,226.02/42,339.30 = 8,504.68/x
  3. Step 3: Cross multiply
    28,226.02x = 42,339.30 × 8,504.68
  4. Step 4: Simplify right side
    28,226.02x = 360,082,197.92
  5. Step 5: Solve for x
    x = 360,082,197.92/28,226.02
  6. Step 6: Final answer
    x = 12,757.10

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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.