Home / 28,096.68-42,155.94-12,503.64

Finding the Fourth Proportional to 28,096.68, 42,155.94 and 12,503.64

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Solution

The fourth proportional to 28,096.68, 42,155.94 and 12,503.64 is: 18,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.68 : 42,155.94 = 12,503.64 : x
  2. Step 2: Convert to fraction form
    28,096.68/42,155.94 = 12,503.64/x
  3. Step 3: Cross multiply
    28,096.68x = 42,155.94 × 12,503.64
  4. Step 4: Simplify right side
    28,096.68x = 527,102,697.62
  5. Step 5: Solve for x
    x = 527,102,697.62/28,096.68
  6. Step 6: Final answer
    x = 18,760.32

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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.