Home / 28,599.94-42,882.57-12,802.06

Finding the Fourth Proportional to 28,599.94, 42,882.57 and 12,802.06

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Solution

The fourth proportional to 28,599.94, 42,882.57 and 12,802.06 is: 19,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.94 : 42,882.57 = 12,802.06 : x
  2. Step 2: Convert to fraction form
    28,599.94/42,882.57 = 12,802.06/x
  3. Step 3: Cross multiply
    28,599.94x = 42,882.57 × 12,802.06
  4. Step 4: Simplify right side
    28,599.94x = 548,985,234.09
  5. Step 5: Solve for x
    x = 548,985,234.09/28,599.94
  6. Step 6: Final answer
    x = 19,195.33

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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.