Home / 21,368.88-32,059.80-15,140.96

Finding the Fourth Proportional to 21,368.88, 32,059.80 and 15,140.96

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Solution

The fourth proportional to 21,368.88, 32,059.80 and 15,140.96 is: 22,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.88 : 32,059.80 = 15,140.96 : x
  2. Step 2: Convert to fraction form
    21,368.88/32,059.80 = 15,140.96/x
  3. Step 3: Cross multiply
    21,368.88x = 32,059.80 × 15,140.96
  4. Step 4: Simplify right side
    21,368.88x = 485,416,109.33
  5. Step 5: Solve for x
    x = 485,416,109.33/21,368.88
  6. Step 6: Final answer
    x = 22,716.03

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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.