Home / 23,685-35,524.98-12,579.90

Finding the Fourth Proportional to 23,685, 35,524.98 and 12,579.90

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Solution

The fourth proportional to 23,685, 35,524.98 and 12,579.90 is: 18,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685 : 35,524.98 = 12,579.90 : x
  2. Step 2: Convert to fraction form
    23,685/35,524.98 = 12,579.90/x
  3. Step 3: Cross multiply
    23,685x = 35,524.98 × 12,579.90
  4. Step 4: Simplify right side
    23,685x = 446,900,695.90
  5. Step 5: Solve for x
    x = 446,900,695.90/23,685
  6. Step 6: Final answer
    x = 18,868.51

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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.