Home / 28,847.68-43,260.64-10,121.92

Finding the Fourth Proportional to 28,847.68, 43,260.64 and 10,121.92

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Solution

The fourth proportional to 28,847.68, 43,260.64 and 10,121.92 is: 15,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.68 : 43,260.64 = 10,121.92 : x
  2. Step 2: Convert to fraction form
    28,847.68/43,260.64 = 10,121.92/x
  3. Step 3: Cross multiply
    28,847.68x = 43,260.64 × 10,121.92
  4. Step 4: Simplify right side
    28,847.68x = 437,880,737.23
  5. Step 5: Solve for x
    x = 437,880,737.23/28,847.68
  6. Step 6: Final answer
    x = 15,179.06

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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.