Home / 19,251.92-28,869.24-8,858

Finding the Fourth Proportional to 19,251.92, 28,869.24 and 8,858

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Solution

The fourth proportional to 19,251.92, 28,869.24 and 8,858 is: 13,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.92 : 28,869.24 = 8,858 : x
  2. Step 2: Convert to fraction form
    19,251.92/28,869.24 = 8,858/x
  3. Step 3: Cross multiply
    19,251.92x = 28,869.24 × 8,858
  4. Step 4: Simplify right side
    19,251.92x = 255,723,727.92
  5. Step 5: Solve for x
    x = 255,723,727.92/19,251.92
  6. Step 6: Final answer
    x = 13,283.02

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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.