Home / 21,861.14-32,742.27-17,924.42

Finding the Fourth Proportional to 21,861.14, 32,742.27 and 17,924.42

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Solution

The fourth proportional to 21,861.14, 32,742.27 and 17,924.42 is: 26,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.14 : 32,742.27 = 17,924.42 : x
  2. Step 2: Convert to fraction form
    21,861.14/32,742.27 = 17,924.42/x
  3. Step 3: Cross multiply
    21,861.14x = 32,742.27 × 17,924.42
  4. Step 4: Simplify right side
    21,861.14x = 586,886,199.23
  5. Step 5: Solve for x
    x = 586,886,199.23/21,861.14
  6. Step 6: Final answer
    x = 26,846.09

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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.