Home / 28,149.56-42,224.32-13,350.42

Finding the Fourth Proportional to 28,149.56, 42,224.32 and 13,350.42

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Solution

The fourth proportional to 28,149.56, 42,224.32 and 13,350.42 is: 20,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.56 : 42,224.32 = 13,350.42 : x
  2. Step 2: Convert to fraction form
    28,149.56/42,224.32 = 13,350.42/x
  3. Step 3: Cross multiply
    28,149.56x = 42,224.32 × 13,350.42
  4. Step 4: Simplify right side
    28,149.56x = 563,712,406.21
  5. Step 5: Solve for x
    x = 563,712,406.21/28,149.56
  6. Step 6: Final answer
    x = 20,025.62

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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.