Home / 18,038.32-27,057.49-4,890.69

Finding the Fourth Proportional to 18,038.32, 27,057.49 and 4,890.69

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Solution

The fourth proportional to 18,038.32, 27,057.49 and 4,890.69 is: 7,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.32 : 27,057.49 = 4,890.69 : x
  2. Step 2: Convert to fraction form
    18,038.32/27,057.49 = 4,890.69/x
  3. Step 3: Cross multiply
    18,038.32x = 27,057.49 × 4,890.69
  4. Step 4: Simplify right side
    18,038.32x = 132,329,783.54
  5. Step 5: Solve for x
    x = 132,329,783.54/18,038.32
  6. Step 6: Final answer
    x = 7,336.04

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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.