Home / 28,338.34-42,449.16-16,623.31

Finding the Fourth Proportional to 28,338.34, 42,449.16 and 16,623.31

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Solution

The fourth proportional to 28,338.34, 42,449.16 and 16,623.31 is: 24,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.34 : 42,449.16 = 16,623.31 : x
  2. Step 2: Convert to fraction form
    28,338.34/42,449.16 = 16,623.31/x
  3. Step 3: Cross multiply
    28,338.34x = 42,449.16 × 16,623.31
  4. Step 4: Simplify right side
    28,338.34x = 705,645,545.92
  5. Step 5: Solve for x
    x = 705,645,545.92/28,338.34
  6. Step 6: Final answer
    x = 24,900.74

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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.