Home / 28,923.68-43,380.12-11,384.48

Finding the Fourth Proportional to 28,923.68, 43,380.12 and 11,384.48

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Solution

The fourth proportional to 28,923.68, 43,380.12 and 11,384.48 is: 17,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.68 : 43,380.12 = 11,384.48 : x
  2. Step 2: Convert to fraction form
    28,923.68/43,380.12 = 11,384.48/x
  3. Step 3: Cross multiply
    28,923.68x = 43,380.12 × 11,384.48
  4. Step 4: Simplify right side
    28,923.68x = 493,860,108.54
  5. Step 5: Solve for x
    x = 493,860,108.54/28,923.68
  6. Step 6: Final answer
    x = 17,074.59

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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.