Home / 21,459.87-32,102.26-17,304.57

Finding the Fourth Proportional to 21,459.87, 32,102.26 and 17,304.57

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Solution

The fourth proportional to 21,459.87, 32,102.26 and 17,304.57 is: 25,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.87 : 32,102.26 = 17,304.57 : x
  2. Step 2: Convert to fraction form
    21,459.87/32,102.26 = 17,304.57/x
  3. Step 3: Cross multiply
    21,459.87x = 32,102.26 × 17,304.57
  4. Step 4: Simplify right side
    21,459.87x = 555,515,762.07
  5. Step 5: Solve for x
    x = 555,515,762.07/21,459.87
  6. Step 6: Final answer
    x = 25,886.26

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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.