Home / 27,505.58-37,956.60-15,571.39

Finding the Fourth Proportional to 27,505.58, 37,956.60 and 15,571.39

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Solution

The fourth proportional to 27,505.58, 37,956.60 and 15,571.39 is: 21,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.58 : 37,956.60 = 15,571.39 : x
  2. Step 2: Convert to fraction form
    27,505.58/37,956.60 = 15,571.39/x
  3. Step 3: Cross multiply
    27,505.58x = 37,956.60 × 15,571.39
  4. Step 4: Simplify right side
    27,505.58x = 591,036,997.95
  5. Step 5: Solve for x
    x = 591,036,997.95/27,505.58
  6. Step 6: Final answer
    x = 21,487.90

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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.