Home / 27,475.88-37,880.06-21,829.37

Finding the Fourth Proportional to 27,475.88, 37,880.06 and 21,829.37

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Solution

The fourth proportional to 27,475.88, 37,880.06 and 21,829.37 is: 30,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.88 : 37,880.06 = 21,829.37 : x
  2. Step 2: Convert to fraction form
    27,475.88/37,880.06 = 21,829.37/x
  3. Step 3: Cross multiply
    27,475.88x = 37,880.06 × 21,829.37
  4. Step 4: Simplify right side
    27,475.88x = 826,897,546.82
  5. Step 5: Solve for x
    x = 826,897,546.82/27,475.88
  6. Step 6: Final answer
    x = 30,095.40

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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.