Home / 23,171.35-31,975.60-12,560.75

Finding the Fourth Proportional to 23,171.35, 31,975.60 and 12,560.75

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Solution

The fourth proportional to 23,171.35, 31,975.60 and 12,560.75 is: 17,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.35 : 31,975.60 = 12,560.75 : x
  2. Step 2: Convert to fraction form
    23,171.35/31,975.60 = 12,560.75/x
  3. Step 3: Cross multiply
    23,171.35x = 31,975.60 × 12,560.75
  4. Step 4: Simplify right side
    23,171.35x = 401,637,517.70
  5. Step 5: Solve for x
    x = 401,637,517.70/23,171.35
  6. Step 6: Final answer
    x = 17,333.37

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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.