Home / 23,178.29-31,985.96-12,567.96

Finding the Fourth Proportional to 23,178.29, 31,985.96 and 12,567.96

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Solution

The fourth proportional to 23,178.29, 31,985.96 and 12,567.96 is: 17,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.29 : 31,985.96 = 12,567.96 : x
  2. Step 2: Convert to fraction form
    23,178.29/31,985.96 = 12,567.96/x
  3. Step 3: Cross multiply
    23,178.29x = 31,985.96 × 12,567.96
  4. Step 4: Simplify right side
    23,178.29x = 401,998,203.00
  5. Step 5: Solve for x
    x = 401,998,203.00/23,178.29
  6. Step 6: Final answer
    x = 17,343.74

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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.