Home / 27,027.81-40,541.71-19,679.04

Finding the Fourth Proportional to 27,027.81, 40,541.71 and 19,679.04

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Solution

The fourth proportional to 27,027.81, 40,541.71 and 19,679.04 is: 29,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.81 : 40,541.71 = 19,679.04 : x
  2. Step 2: Convert to fraction form
    27,027.81/40,541.71 = 19,679.04/x
  3. Step 3: Cross multiply
    27,027.81x = 40,541.71 × 19,679.04
  4. Step 4: Simplify right side
    27,027.81x = 797,821,932.76
  5. Step 5: Solve for x
    x = 797,821,932.76/27,027.81
  6. Step 6: Final answer
    x = 29,518.56

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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.