Home / 27,337.40-37,725.80-15,399.60

Finding the Fourth Proportional to 27,337.40, 37,725.80 and 15,399.60

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Solution

The fourth proportional to 27,337.40, 37,725.80 and 15,399.60 is: 21,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.40 : 37,725.80 = 15,399.60 : x
  2. Step 2: Convert to fraction form
    27,337.40/37,725.80 = 15,399.60/x
  3. Step 3: Cross multiply
    27,337.40x = 37,725.80 × 15,399.60
  4. Step 4: Simplify right side
    27,337.40x = 580,962,229.68
  5. Step 5: Solve for x
    x = 580,962,229.68/27,337.40
  6. Step 6: Final answer
    x = 21,251.55

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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.