Home / 25,326.72-37,983.60-11,278.80

Finding the Fourth Proportional to 25,326.72, 37,983.60 and 11,278.80

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Solution

The fourth proportional to 25,326.72, 37,983.60 and 11,278.80 is: 16,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.72 : 37,983.60 = 11,278.80 : x
  2. Step 2: Convert to fraction form
    25,326.72/37,983.60 = 11,278.80/x
  3. Step 3: Cross multiply
    25,326.72x = 37,983.60 × 11,278.80
  4. Step 4: Simplify right side
    25,326.72x = 428,409,427.68
  5. Step 5: Solve for x
    x = 428,409,427.68/25,326.72
  6. Step 6: Final answer
    x = 16,915.31

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1.5x scale

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.