Home / 27,429.37-41,128.66-8,705.91

Finding the Fourth Proportional to 27,429.37, 41,128.66 and 8,705.91

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Solution

The fourth proportional to 27,429.37, 41,128.66 and 8,705.91 is: 13,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.37 : 41,128.66 = 8,705.91 : x
  2. Step 2: Convert to fraction form
    27,429.37/41,128.66 = 8,705.91/x
  3. Step 3: Cross multiply
    27,429.37x = 41,128.66 × 8,705.91
  4. Step 4: Simplify right side
    27,429.37x = 358,062,577.50
  5. Step 5: Solve for x
    x = 358,062,577.50/27,429.37
  6. Step 6: Final answer
    x = 13,053.99

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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.