Home / 15,321.97-23,002.40-13,028.05

Finding the Fourth Proportional to 15,321.97, 23,002.40 and 13,028.05

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Solution

The fourth proportional to 15,321.97, 23,002.40 and 13,028.05 is: 19,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.97 : 23,002.40 = 13,028.05 : x
  2. Step 2: Convert to fraction form
    15,321.97/23,002.40 = 13,028.05/x
  3. Step 3: Cross multiply
    15,321.97x = 23,002.40 × 13,028.05
  4. Step 4: Simplify right side
    15,321.97x = 299,676,294.67
  5. Step 5: Solve for x
    x = 299,676,294.67/15,321.97
  6. Step 6: Final answer
    x = 19,558.60

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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.