Home / 28,940.36-43,411.06-10,219.94

Finding the Fourth Proportional to 28,940.36, 43,411.06 and 10,219.94

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Solution

The fourth proportional to 28,940.36, 43,411.06 and 10,219.94 is: 15,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.36 : 43,411.06 = 10,219.94 : x
  2. Step 2: Convert to fraction form
    28,940.36/43,411.06 = 10,219.94/x
  3. Step 3: Cross multiply
    28,940.36x = 43,411.06 × 10,219.94
  4. Step 4: Simplify right side
    28,940.36x = 443,658,428.54
  5. Step 5: Solve for x
    x = 443,658,428.54/28,940.36
  6. Step 6: Final answer
    x = 15,330.09

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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.