Home / 28,552.80-42,841.41-11,916.52

Finding the Fourth Proportional to 28,552.80, 42,841.41 and 11,916.52

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Solution

The fourth proportional to 28,552.80, 42,841.41 and 11,916.52 is: 17,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.80 : 42,841.41 = 11,916.52 : x
  2. Step 2: Convert to fraction form
    28,552.80/42,841.41 = 11,916.52/x
  3. Step 3: Cross multiply
    28,552.80x = 42,841.41 × 11,916.52
  4. Step 4: Simplify right side
    28,552.80x = 510,520,367.30
  5. Step 5: Solve for x
    x = 510,520,367.30/28,552.80
  6. Step 6: Final answer
    x = 17,879.87

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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.