Home / 28,732.74-43,084.50-13,137

Finding the Fourth Proportional to 28,732.74, 43,084.50 and 13,137

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Solution

The fourth proportional to 28,732.74, 43,084.50 and 13,137 is: 19,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.74 : 43,084.50 = 13,137 : x
  2. Step 2: Convert to fraction form
    28,732.74/43,084.50 = 13,137/x
  3. Step 3: Cross multiply
    28,732.74x = 43,084.50 × 13,137
  4. Step 4: Simplify right side
    28,732.74x = 566,001,076.50
  5. Step 5: Solve for x
    x = 566,001,076.50/28,732.74
  6. Step 6: Final answer
    x = 19,698.82

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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.