Home / 28,328.73-42,454.82-10,788.99

Finding the Fourth Proportional to 28,328.73, 42,454.82 and 10,788.99

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Solution

The fourth proportional to 28,328.73, 42,454.82 and 10,788.99 is: 16,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.73 : 42,454.82 = 10,788.99 : x
  2. Step 2: Convert to fraction form
    28,328.73/42,454.82 = 10,788.99/x
  3. Step 3: Cross multiply
    28,328.73x = 42,454.82 × 10,788.99
  4. Step 4: Simplify right side
    28,328.73x = 458,044,628.43
  5. Step 5: Solve for x
    x = 458,044,628.43/28,328.73
  6. Step 6: Final answer
    x = 16,168.91

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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.