Home / 23,078.27-31,849.76-13,007.66

Finding the Fourth Proportional to 23,078.27, 31,849.76 and 13,007.66

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Solution

The fourth proportional to 23,078.27, 31,849.76 and 13,007.66 is: 17,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.27 : 31,849.76 = 13,007.66 : x
  2. Step 2: Convert to fraction form
    23,078.27/31,849.76 = 13,007.66/x
  3. Step 3: Cross multiply
    23,078.27x = 31,849.76 × 13,007.66
  4. Step 4: Simplify right side
    23,078.27x = 414,290,649.26
  5. Step 5: Solve for x
    x = 414,290,649.26/23,078.27
  6. Step 6: Final answer
    x = 17,951.55

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1.5x scale

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.