Home / 27,840.15-41,716.42-21,530.47

Finding the Fourth Proportional to 27,840.15, 41,716.42 and 21,530.47

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Solution

The fourth proportional to 27,840.15, 41,716.42 and 21,530.47 is: 32,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.15 : 41,716.42 = 21,530.47 : x
  2. Step 2: Convert to fraction form
    27,840.15/41,716.42 = 21,530.47/x
  3. Step 3: Cross multiply
    27,840.15x = 41,716.42 × 21,530.47
  4. Step 4: Simplify right side
    27,840.15x = 898,174,129.32
  5. Step 5: Solve for x
    x = 898,174,129.32/27,840.15
  6. Step 6: Final answer
    x = 32,261.83

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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.