Home / 27,419.40-41,133.15-8,701.20

Finding the Fourth Proportional to 27,419.40, 41,133.15 and 8,701.20

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Solution

The fourth proportional to 27,419.40, 41,133.15 and 8,701.20 is: 13,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.40 : 41,133.15 = 8,701.20 : x
  2. Step 2: Convert to fraction form
    27,419.40/41,133.15 = 8,701.20/x
  3. Step 3: Cross multiply
    27,419.40x = 41,133.15 × 8,701.20
  4. Step 4: Simplify right side
    27,419.40x = 357,907,764.78
  5. Step 5: Solve for x
    x = 357,907,764.78/27,419.40
  6. Step 6: Final answer
    x = 13,053.09

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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.