Home / 21,428.67-32,114.66-15,525.39

Finding the Fourth Proportional to 21,428.67, 32,114.66 and 15,525.39

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Solution

The fourth proportional to 21,428.67, 32,114.66 and 15,525.39 is: 23,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428.67 : 32,114.66 = 15,525.39 : x
  2. Step 2: Convert to fraction form
    21,428.67/32,114.66 = 15,525.39/x
  3. Step 3: Cross multiply
    21,428.67x = 32,114.66 × 15,525.39
  4. Step 4: Simplify right side
    21,428.67x = 498,592,543.59
  5. Step 5: Solve for x
    x = 498,592,543.59/21,428.67
  6. Step 6: Final answer
    x = 23,267.55

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