Home / 28,219.28-38,853.92-23,961.36

Finding the Fourth Proportional to 28,219.28, 38,853.92 and 23,961.36

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Solution

The fourth proportional to 28,219.28, 38,853.92 and 23,961.36 is: 32,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.28 : 38,853.92 = 23,961.36 : x
  2. Step 2: Convert to fraction form
    28,219.28/38,853.92 = 23,961.36/x
  3. Step 3: Cross multiply
    28,219.28x = 38,853.92 × 23,961.36
  4. Step 4: Simplify right side
    28,219.28x = 930,992,764.53
  5. Step 5: Solve for x
    x = 930,992,764.53/28,219.28
  6. Step 6: Final answer
    x = 32,991.37

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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.