Home / 21,534.24-32,302.03-17,815.09

Finding the Fourth Proportional to 21,534.24, 32,302.03 and 17,815.09

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Solution

The fourth proportional to 21,534.24, 32,302.03 and 17,815.09 is: 26,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.24 : 32,302.03 = 17,815.09 : x
  2. Step 2: Convert to fraction form
    21,534.24/32,302.03 = 17,815.09/x
  3. Step 3: Cross multiply
    21,534.24x = 32,302.03 × 17,815.09
  4. Step 4: Simplify right side
    21,534.24x = 575,463,515.26
  5. Step 5: Solve for x
    x = 575,463,515.26/21,534.24
  6. Step 6: Final answer
    x = 26,723.18

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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.