Home / 23,122.53-31,922.82-15,178.68

Finding the Fourth Proportional to 23,122.53, 31,922.82 and 15,178.68

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Solution

The fourth proportional to 23,122.53, 31,922.82 and 15,178.68 is: 20,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.53 : 31,922.82 = 15,178.68 : x
  2. Step 2: Convert to fraction form
    23,122.53/31,922.82 = 15,178.68/x
  3. Step 3: Cross multiply
    23,122.53x = 31,922.82 × 15,178.68
  4. Step 4: Simplify right side
    23,122.53x = 484,546,269.48
  5. Step 5: Solve for x
    x = 484,546,269.48/23,122.53
  6. Step 6: Final answer
    x = 20,955.59

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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.