Home / 28,864.15-43,298.96-11,329.88

Finding the Fourth Proportional to 28,864.15, 43,298.96 and 11,329.88

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Solution

The fourth proportional to 28,864.15, 43,298.96 and 11,329.88 is: 16,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.15 : 43,298.96 = 11,329.88 : x
  2. Step 2: Convert to fraction form
    28,864.15/43,298.96 = 11,329.88/x
  3. Step 3: Cross multiply
    28,864.15x = 43,298.96 × 11,329.88
  4. Step 4: Simplify right side
    28,864.15x = 490,571,747.78
  5. Step 5: Solve for x
    x = 490,571,747.78/28,864.15
  6. Step 6: Final answer
    x = 16,995.89

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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.