Home / 25,472.88-35,164.44-16,989.12

Finding the Fourth Proportional to 25,472.88, 35,164.44 and 16,989.12

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Solution

The fourth proportional to 25,472.88, 35,164.44 and 16,989.12 is: 23,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.88 : 35,164.44 = 16,989.12 : x
  2. Step 2: Convert to fraction form
    25,472.88/35,164.44 = 16,989.12/x
  3. Step 3: Cross multiply
    25,472.88x = 35,164.44 × 16,989.12
  4. Step 4: Simplify right side
    25,472.88x = 597,412,890.89
  5. Step 5: Solve for x
    x = 597,412,890.89/25,472.88
  6. Step 6: Final answer
    x = 23,452.90

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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.