Home / 36,428.04-54,623.26-16,689.68

Finding the Fourth Proportional to 36,428.04, 54,623.26 and 16,689.68

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Solution

The fourth proportional to 36,428.04, 54,623.26 and 16,689.68 is: 25,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.04 : 54,623.26 = 16,689.68 : x
  2. Step 2: Convert to fraction form
    36,428.04/54,623.26 = 16,689.68/x
  3. Step 3: Cross multiply
    36,428.04x = 54,623.26 × 16,689.68
  4. Step 4: Simplify right side
    36,428.04x = 911,644,729.96
  5. Step 5: Solve for x
    x = 911,644,729.96/36,428.04
  6. Step 6: Final answer
    x = 25,025.91

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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.