Home / 28,230.03-42,311.84-11,581.83

Finding the Fourth Proportional to 28,230.03, 42,311.84 and 11,581.83

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Solution

The fourth proportional to 28,230.03, 42,311.84 and 11,581.83 is: 17,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.03 : 42,311.84 = 11,581.83 : x
  2. Step 2: Convert to fraction form
    28,230.03/42,311.84 = 11,581.83/x
  3. Step 3: Cross multiply
    28,230.03x = 42,311.84 × 11,581.83
  4. Step 4: Simplify right side
    28,230.03x = 490,048,479.96
  5. Step 5: Solve for x
    x = 490,048,479.96/28,230.03
  6. Step 6: Final answer
    x = 17,359.12

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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.