Home / 25,210.11-37,791.80-11,162.66

Finding the Fourth Proportional to 25,210.11, 37,791.80 and 11,162.66

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Solution

The fourth proportional to 25,210.11, 37,791.80 and 11,162.66 is: 16,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.11 : 37,791.80 = 11,162.66 : x
  2. Step 2: Convert to fraction form
    25,210.11/37,791.80 = 11,162.66/x
  3. Step 3: Cross multiply
    25,210.11x = 37,791.80 × 11,162.66
  4. Step 4: Simplify right side
    25,210.11x = 421,856,853.14
  5. Step 5: Solve for x
    x = 421,856,853.14/25,210.11
  6. Step 6: Final answer
    x = 16,733.64

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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.