Home / 28,524.68-42,790.72-10,999.52

Finding the Fourth Proportional to 28,524.68, 42,790.72 and 10,999.52

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Solution

The fourth proportional to 28,524.68, 42,790.72 and 10,999.52 is: 16,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.68 : 42,790.72 = 10,999.52 : x
  2. Step 2: Convert to fraction form
    28,524.68/42,790.72 = 10,999.52/x
  3. Step 3: Cross multiply
    28,524.68x = 42,790.72 × 10,999.52
  4. Step 4: Simplify right side
    28,524.68x = 470,677,380.45
  5. Step 5: Solve for x
    x = 470,677,380.45/28,524.68
  6. Step 6: Final answer
    x = 16,500.71

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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.