Home / 28,864.36-43,298.22-8,089.48

Finding the Fourth Proportional to 28,864.36, 43,298.22 and 8,089.48

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Solution

The fourth proportional to 28,864.36, 43,298.22 and 8,089.48 is: 12,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.36 : 43,298.22 = 8,089.48 : x
  2. Step 2: Convert to fraction form
    28,864.36/43,298.22 = 8,089.48/x
  3. Step 3: Cross multiply
    28,864.36x = 43,298.22 × 8,089.48
  4. Step 4: Simplify right side
    28,864.36x = 350,260,084.73
  5. Step 5: Solve for x
    x = 350,260,084.73/28,864.36
  6. Step 6: Final answer
    x = 12,134.69

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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.