Home / 23,390.39-32,278.37-12,779.80

Finding the Fourth Proportional to 23,390.39, 32,278.37 and 12,779.80

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Solution

The fourth proportional to 23,390.39, 32,278.37 and 12,779.80 is: 17,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.39 : 32,278.37 = 12,779.80 : x
  2. Step 2: Convert to fraction form
    23,390.39/32,278.37 = 12,779.80/x
  3. Step 3: Cross multiply
    23,390.39x = 32,278.37 × 12,779.80
  4. Step 4: Simplify right side
    23,390.39x = 412,510,968.33
  5. Step 5: Solve for x
    x = 412,510,968.33/23,390.39
  6. Step 6: Final answer
    x = 17,635.91

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