Home / 28,219.93-38,944.24-15,954.36

Finding the Fourth Proportional to 28,219.93, 38,944.24 and 15,954.36

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Solution

The fourth proportional to 28,219.93, 38,944.24 and 15,954.36 is: 22,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.93 : 38,944.24 = 15,954.36 : x
  2. Step 2: Convert to fraction form
    28,219.93/38,944.24 = 15,954.36/x
  3. Step 3: Cross multiply
    28,219.93x = 38,944.24 × 15,954.36
  4. Step 4: Simplify right side
    28,219.93x = 621,330,238.96
  5. Step 5: Solve for x
    x = 621,330,238.96/28,219.93
  6. Step 6: Final answer
    x = 22,017.43

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Similar ratio
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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.