Home / 27,408.30-41,112.45-9,878.70

Finding the Fourth Proportional to 27,408.30, 41,112.45 and 9,878.70

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Solution

The fourth proportional to 27,408.30, 41,112.45 and 9,878.70 is: 14,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.30 : 41,112.45 = 9,878.70 : x
  2. Step 2: Convert to fraction form
    27,408.30/41,112.45 = 9,878.70/x
  3. Step 3: Cross multiply
    27,408.30x = 41,112.45 × 9,878.70
  4. Step 4: Simplify right side
    27,408.30x = 406,137,559.82
  5. Step 5: Solve for x
    x = 406,137,559.82/27,408.30
  6. Step 6: Final answer
    x = 14,818.05

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1.5x scale

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.