Home / 23,128.14-31,920.09-13,060.62

Finding the Fourth Proportional to 23,128.14, 31,920.09 and 13,060.62

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Solution

The fourth proportional to 23,128.14, 31,920.09 and 13,060.62 is: 18,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.14 : 31,920.09 = 13,060.62 : x
  2. Step 2: Convert to fraction form
    23,128.14/31,920.09 = 13,060.62/x
  3. Step 3: Cross multiply
    23,128.14x = 31,920.09 × 13,060.62
  4. Step 4: Simplify right side
    23,128.14x = 416,896,165.86
  5. Step 5: Solve for x
    x = 416,896,165.86/23,128.14
  6. Step 6: Final answer
    x = 18,025.49

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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.