Home / 21,357.46-32,047.26-15,157.36

Finding the Fourth Proportional to 21,357.46, 32,047.26 and 15,157.36

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Solution

The fourth proportional to 21,357.46, 32,047.26 and 15,157.36 is: 22,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.46 : 32,047.26 = 15,157.36 : x
  2. Step 2: Convert to fraction form
    21,357.46/32,047.26 = 15,157.36/x
  3. Step 3: Cross multiply
    21,357.46x = 32,047.26 × 15,157.36
  4. Step 4: Simplify right side
    21,357.46x = 485,751,856.83
  5. Step 5: Solve for x
    x = 485,751,856.83/21,357.46
  6. Step 6: Final answer
    x = 22,743.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.