Home / 28,119.01-42,178.57-8,396.02

Finding the Fourth Proportional to 28,119.01, 42,178.57 and 8,396.02

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Solution

The fourth proportional to 28,119.01, 42,178.57 and 8,396.02 is: 12,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.01 : 42,178.57 = 8,396.02 : x
  2. Step 2: Convert to fraction form
    28,119.01/42,178.57 = 8,396.02/x
  3. Step 3: Cross multiply
    28,119.01x = 42,178.57 × 8,396.02
  4. Step 4: Simplify right side
    28,119.01x = 354,131,864.42
  5. Step 5: Solve for x
    x = 354,131,864.42/28,119.01
  6. Step 6: Final answer
    x = 12,594.04

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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.