Home / 27,559.54-37,985.86-21,096.96

Finding the Fourth Proportional to 27,559.54, 37,985.86 and 21,096.96

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Solution

The fourth proportional to 27,559.54, 37,985.86 and 21,096.96 is: 29,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.54 : 37,985.86 = 21,096.96 : x
  2. Step 2: Convert to fraction form
    27,559.54/37,985.86 = 21,096.96/x
  3. Step 3: Cross multiply
    27,559.54x = 37,985.86 × 21,096.96
  4. Step 4: Simplify right side
    27,559.54x = 801,386,052.91
  5. Step 5: Solve for x
    x = 801,386,052.91/27,559.54
  6. Step 6: Final answer
    x = 29,078.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.