Home / 18,647.40-27,971.28-5,500.02

Finding the Fourth Proportional to 18,647.40, 27,971.28 and 5,500.02

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Solution

The fourth proportional to 18,647.40, 27,971.28 and 5,500.02 is: 8,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.40 : 27,971.28 = 5,500.02 : x
  2. Step 2: Convert to fraction form
    18,647.40/27,971.28 = 5,500.02/x
  3. Step 3: Cross multiply
    18,647.40x = 27,971.28 × 5,500.02
  4. Step 4: Simplify right side
    18,647.40x = 153,842,599.43
  5. Step 5: Solve for x
    x = 153,842,599.43/18,647.40
  6. Step 6: Final answer
    x = 8,250.08

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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.