Home / 27,176.40-40,764.19-9,419.98

Finding the Fourth Proportional to 27,176.40, 40,764.19 and 9,419.98

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Solution

The fourth proportional to 27,176.40, 40,764.19 and 9,419.98 is: 14,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.40 : 40,764.19 = 9,419.98 : x
  2. Step 2: Convert to fraction form
    27,176.40/40,764.19 = 9,419.98/x
  3. Step 3: Cross multiply
    27,176.40x = 40,764.19 × 9,419.98
  4. Step 4: Simplify right side
    27,176.40x = 383,997,899.58
  5. Step 5: Solve for x
    x = 383,997,899.58/27,176.40
  6. Step 6: Final answer
    x = 14,129.83

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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.