Home / 23,290.21-32,140.62-12,679.82

Finding the Fourth Proportional to 23,290.21, 32,140.62 and 12,679.82

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Solution

The fourth proportional to 23,290.21, 32,140.62 and 12,679.82 is: 17,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.21 : 32,140.62 = 12,679.82 : x
  2. Step 2: Convert to fraction form
    23,290.21/32,140.62 = 12,679.82/x
  3. Step 3: Cross multiply
    23,290.21x = 32,140.62 × 12,679.82
  4. Step 4: Simplify right side
    23,290.21x = 407,537,115.59
  5. Step 5: Solve for x
    x = 407,537,115.59/23,290.21
  6. Step 6: Final answer
    x = 17,498.22

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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.