Home / 23,579.68-32,540.52-12,970

Finding the Fourth Proportional to 23,579.68, 32,540.52 and 12,970

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Solution

The fourth proportional to 23,579.68, 32,540.52 and 12,970 is: 17,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.68 : 32,540.52 = 12,970 : x
  2. Step 2: Convert to fraction form
    23,579.68/32,540.52 = 12,970/x
  3. Step 3: Cross multiply
    23,579.68x = 32,540.52 × 12,970
  4. Step 4: Simplify right side
    23,579.68x = 422,050,544.40
  5. Step 5: Solve for x
    x = 422,050,544.40/23,579.68
  6. Step 6: Final answer
    x = 17,898.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.