Home / 28,813.82-43,240.17-11,281.46

Finding the Fourth Proportional to 28,813.82, 43,240.17 and 11,281.46

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Solution

The fourth proportional to 28,813.82, 43,240.17 and 11,281.46 is: 16,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.82 : 43,240.17 = 11,281.46 : x
  2. Step 2: Convert to fraction form
    28,813.82/43,240.17 = 11,281.46/x
  3. Step 3: Cross multiply
    28,813.82x = 43,240.17 × 11,281.46
  4. Step 4: Simplify right side
    28,813.82x = 487,812,248.25
  5. Step 5: Solve for x
    x = 487,812,248.25/28,813.82
  6. Step 6: Final answer
    x = 16,929.80

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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.