Home / 19,007.43-28,511.55-5,859.78

Finding the Fourth Proportional to 19,007.43, 28,511.55 and 5,859.78

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Solution

The fourth proportional to 19,007.43, 28,511.55 and 5,859.78 is: 8,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.43 : 28,511.55 = 5,859.78 : x
  2. Step 2: Convert to fraction form
    19,007.43/28,511.55 = 5,859.78/x
  3. Step 3: Cross multiply
    19,007.43x = 28,511.55 × 5,859.78
  4. Step 4: Simplify right side
    19,007.43x = 167,071,410.46
  5. Step 5: Solve for x
    x = 167,071,410.46/19,007.43
  6. Step 6: Final answer
    x = 8,789.79

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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.