Home / 27,086.65-37,379.66-15,149.21

Finding the Fourth Proportional to 27,086.65, 37,379.66 and 15,149.21

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Solution

The fourth proportional to 27,086.65, 37,379.66 and 15,149.21 is: 20,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.65 : 37,379.66 = 15,149.21 : x
  2. Step 2: Convert to fraction form
    27,086.65/37,379.66 = 15,149.21/x
  3. Step 3: Cross multiply
    27,086.65x = 37,379.66 × 15,149.21
  4. Step 4: Simplify right side
    27,086.65x = 566,272,573.51
  5. Step 5: Solve for x
    x = 566,272,573.51/27,086.65
  6. Step 6: Final answer
    x = 20,905.96

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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.