Home / 23,178.26-31,985.71-12,567.87

Finding the Fourth Proportional to 23,178.26, 31,985.71 and 12,567.87

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Solution

The fourth proportional to 23,178.26, 31,985.71 and 12,567.87 is: 17,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.26 : 31,985.71 = 12,567.87 : x
  2. Step 2: Convert to fraction form
    23,178.26/31,985.71 = 12,567.87/x
  3. Step 3: Cross multiply
    23,178.26x = 31,985.71 × 12,567.87
  4. Step 4: Simplify right side
    23,178.26x = 401,992,245.14
  5. Step 5: Solve for x
    x = 401,992,245.14/23,178.26
  6. Step 6: Final answer
    x = 17,343.50

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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.