Home / 23,427.78-32,330.06-12,817.29

Finding the Fourth Proportional to 23,427.78, 32,330.06 and 12,817.29

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Solution

The fourth proportional to 23,427.78, 32,330.06 and 12,817.29 is: 17,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.78 : 32,330.06 = 12,817.29 : x
  2. Step 2: Convert to fraction form
    23,427.78/32,330.06 = 12,817.29/x
  3. Step 3: Cross multiply
    23,427.78x = 32,330.06 × 12,817.29
  4. Step 4: Simplify right side
    23,427.78x = 414,383,771.48
  5. Step 5: Solve for x
    x = 414,383,771.48/23,427.78
  6. Step 6: Final answer
    x = 17,687.71

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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.