Home / 28,149.68-42,224.48-13,350.52

Finding the Fourth Proportional to 28,149.68, 42,224.48 and 13,350.52

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Solution

The fourth proportional to 28,149.68, 42,224.48 and 13,350.52 is: 20,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.68 : 42,224.48 = 13,350.52 : x
  2. Step 2: Convert to fraction form
    28,149.68/42,224.48 = 13,350.52/x
  3. Step 3: Cross multiply
    28,149.68x = 42,224.48 × 13,350.52
  4. Step 4: Simplify right side
    28,149.68x = 563,718,764.73
  5. Step 5: Solve for x
    x = 563,718,764.73/28,149.68
  6. Step 6: Final answer
    x = 20,025.76

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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.