Home / 23,600.15-32,568.44-12,990

Finding the Fourth Proportional to 23,600.15, 32,568.44 and 12,990

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Solution

The fourth proportional to 23,600.15, 32,568.44 and 12,990 is: 17,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.15 : 32,568.44 = 12,990 : x
  2. Step 2: Convert to fraction form
    23,600.15/32,568.44 = 12,990/x
  3. Step 3: Cross multiply
    23,600.15x = 32,568.44 × 12,990
  4. Step 4: Simplify right side
    23,600.15x = 423,063,970.65
  5. Step 5: Solve for x
    x = 423,063,970.65/23,600.15
  6. Step 6: Final answer
    x = 17,926.33

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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.