Home / 18,985.53-28,481.02-5,839.01

Finding the Fourth Proportional to 18,985.53, 28,481.02 and 5,839.01

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Solution

The fourth proportional to 18,985.53, 28,481.02 and 5,839.01 is: 8,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.53 : 28,481.02 = 5,839.01 : x
  2. Step 2: Convert to fraction form
    18,985.53/28,481.02 = 5,839.01/x
  3. Step 3: Cross multiply
    18,985.53x = 28,481.02 × 5,839.01
  4. Step 4: Simplify right side
    18,985.53x = 166,300,960.59
  5. Step 5: Solve for x
    x = 166,300,960.59/18,985.53
  6. Step 6: Final answer
    x = 8,759.35

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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.