Home / 23,164.41-31,968.85-19,380.90

Finding the Fourth Proportional to 23,164.41, 31,968.85 and 19,380.90

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Solution

The fourth proportional to 23,164.41, 31,968.85 and 19,380.90 is: 26,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.41 : 31,968.85 = 19,380.90 : x
  2. Step 2: Convert to fraction form
    23,164.41/31,968.85 = 19,380.90/x
  3. Step 3: Cross multiply
    23,164.41x = 31,968.85 × 19,380.90
  4. Step 4: Simplify right side
    23,164.41x = 619,585,084.97
  5. Step 5: Solve for x
    x = 619,585,084.97/23,164.41
  6. Step 6: Final answer
    x = 26,747.29

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Double scale
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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.