Home / 23,731.29-32,749.83-13,121.64

Finding the Fourth Proportional to 23,731.29, 32,749.83 and 13,121.64

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Solution

The fourth proportional to 23,731.29, 32,749.83 and 13,121.64 is: 18,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.29 : 32,749.83 = 13,121.64 : x
  2. Step 2: Convert to fraction form
    23,731.29/32,749.83 = 13,121.64/x
  3. Step 3: Cross multiply
    23,731.29x = 32,749.83 × 13,121.64
  4. Step 4: Simplify right side
    23,731.29x = 429,731,479.32
  5. Step 5: Solve for x
    x = 429,731,479.32/23,731.29
  6. Step 6: Final answer
    x = 18,108.22

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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.