Home / 28,838.18-43,257.29-12,193.89

Finding the Fourth Proportional to 28,838.18, 43,257.29 and 12,193.89

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Solution

The fourth proportional to 28,838.18, 43,257.29 and 12,193.89 is: 18,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.18 : 43,257.29 = 12,193.89 : x
  2. Step 2: Convert to fraction form
    28,838.18/43,257.29 = 12,193.89/x
  3. Step 3: Cross multiply
    28,838.18x = 43,257.29 × 12,193.89
  4. Step 4: Simplify right side
    28,838.18x = 527,474,574.99
  5. Step 5: Solve for x
    x = 527,474,574.99/28,838.18
  6. Step 6: Final answer
    x = 18,290.84

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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.