Home / 22,792.31-31,451.25-13,229.66

Finding the Fourth Proportional to 22,792.31, 31,451.25 and 13,229.66

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Solution

The fourth proportional to 22,792.31, 31,451.25 and 13,229.66 is: 18,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.31 : 31,451.25 = 13,229.66 : x
  2. Step 2: Convert to fraction form
    22,792.31/31,451.25 = 13,229.66/x
  3. Step 3: Cross multiply
    22,792.31x = 31,451.25 × 13,229.66
  4. Step 4: Simplify right side
    22,792.31x = 416,089,186.82
  5. Step 5: Solve for x
    x = 416,089,186.82/22,792.31
  6. Step 6: Final answer
    x = 18,255.69

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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.