Home / 27,091.34-37,388.87-15,606.65

Finding the Fourth Proportional to 27,091.34, 37,388.87 and 15,606.65

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Solution

The fourth proportional to 27,091.34, 37,388.87 and 15,606.65 is: 21,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.34 : 37,388.87 = 15,606.65 : x
  2. Step 2: Convert to fraction form
    27,091.34/37,388.87 = 15,606.65/x
  3. Step 3: Cross multiply
    27,091.34x = 37,388.87 × 15,606.65
  4. Step 4: Simplify right side
    27,091.34x = 583,515,007.99
  5. Step 5: Solve for x
    x = 583,515,007.99/27,091.34
  6. Step 6: Final answer
    x = 21,538.80

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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.