Home / 27,274.80-37,641.06-20,548.56

Finding the Fourth Proportional to 27,274.80, 37,641.06 and 20,548.56

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Solution

The fourth proportional to 27,274.80, 37,641.06 and 20,548.56 is: 28,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.80 : 37,641.06 = 20,548.56 : x
  2. Step 2: Convert to fraction form
    27,274.80/37,641.06 = 20,548.56/x
  3. Step 3: Cross multiply
    27,274.80x = 37,641.06 × 20,548.56
  4. Step 4: Simplify right side
    27,274.80x = 773,469,579.87
  5. Step 5: Solve for x
    x = 773,469,579.87/27,274.80
  6. Step 6: Final answer
    x = 28,358.40

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1.5x scale

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.