Home / 27,927.76-38,539.56-15,350.80

Finding the Fourth Proportional to 27,927.76, 38,539.56 and 15,350.80

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Solution

The fourth proportional to 27,927.76, 38,539.56 and 15,350.80 is: 21,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.76 : 38,539.56 = 15,350.80 : x
  2. Step 2: Convert to fraction form
    27,927.76/38,539.56 = 15,350.80/x
  3. Step 3: Cross multiply
    27,927.76x = 38,539.56 × 15,350.80
  4. Step 4: Simplify right side
    27,927.76x = 591,613,077.65
  5. Step 5: Solve for x
    x = 591,613,077.65/27,927.76
  6. Step 6: Final answer
    x = 21,183.69

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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.