Home / 28,836.24-39,813.68-18,651.95

Finding the Fourth Proportional to 28,836.24, 39,813.68 and 18,651.95

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Solution

The fourth proportional to 28,836.24, 39,813.68 and 18,651.95 is: 25,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.24 : 39,813.68 = 18,651.95 : x
  2. Step 2: Convert to fraction form
    28,836.24/39,813.68 = 18,651.95/x
  3. Step 3: Cross multiply
    28,836.24x = 39,813.68 × 18,651.95
  4. Step 4: Simplify right side
    28,836.24x = 742,602,914.84
  5. Step 5: Solve for x
    x = 742,602,914.84/28,836.24
  6. Step 6: Final answer
    x = 25,752.42

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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.