Home / 28,183.59-42,280.20-9,465.44

Finding the Fourth Proportional to 28,183.59, 42,280.20 and 9,465.44

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Solution

The fourth proportional to 28,183.59, 42,280.20 and 9,465.44 is: 14,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.59 : 42,280.20 = 9,465.44 : x
  2. Step 2: Convert to fraction form
    28,183.59/42,280.20 = 9,465.44/x
  3. Step 3: Cross multiply
    28,183.59x = 42,280.20 × 9,465.44
  4. Step 4: Simplify right side
    28,183.59x = 400,200,484.89
  5. Step 5: Solve for x
    x = 400,200,484.89/28,183.59
  6. Step 6: Final answer
    x = 14,199.77

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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.