Home / 28,581.94-39,442.18-15,834.62

Finding the Fourth Proportional to 28,581.94, 39,442.18 and 15,834.62

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Solution

The fourth proportional to 28,581.94, 39,442.18 and 15,834.62 is: 21,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.94 : 39,442.18 = 15,834.62 : x
  2. Step 2: Convert to fraction form
    28,581.94/39,442.18 = 15,834.62/x
  3. Step 3: Cross multiply
    28,581.94x = 39,442.18 × 15,834.62
  4. Step 4: Simplify right side
    28,581.94x = 624,551,932.27
  5. Step 5: Solve for x
    x = 624,551,932.27/28,581.94
  6. Step 6: Final answer
    x = 21,851.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.