Home / 28,399.32-42,604.88-9,677.88

Finding the Fourth Proportional to 28,399.32, 42,604.88 and 9,677.88

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Solution

The fourth proportional to 28,399.32, 42,604.88 and 9,677.88 is: 14,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399.32 : 42,604.88 = 9,677.88 : x
  2. Step 2: Convert to fraction form
    28,399.32/42,604.88 = 9,677.88/x
  3. Step 3: Cross multiply
    28,399.32x = 42,604.88 × 9,677.88
  4. Step 4: Simplify right side
    28,399.32x = 412,324,916.05
  5. Step 5: Solve for x
    x = 412,324,916.05/28,399.32
  6. Step 6: Final answer
    x = 14,518.83

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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.