Home / 28,421.02-42,635.42-9,696.03

Finding the Fourth Proportional to 28,421.02, 42,635.42 and 9,696.03

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Solution

The fourth proportional to 28,421.02, 42,635.42 and 9,696.03 is: 14,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.02 : 42,635.42 = 9,696.03 : x
  2. Step 2: Convert to fraction form
    28,421.02/42,635.42 = 9,696.03/x
  3. Step 3: Cross multiply
    28,421.02x = 42,635.42 × 9,696.03
  4. Step 4: Simplify right side
    28,421.02x = 413,394,103.02
  5. Step 5: Solve for x
    x = 413,394,103.02/28,421.02
  6. Step 6: Final answer
    x = 14,545.37

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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.