Home / 27,387.76-37,794.96-15,287.55

Finding the Fourth Proportional to 27,387.76, 37,794.96 and 15,287.55

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Solution

The fourth proportional to 27,387.76, 37,794.96 and 15,287.55 is: 21,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.76 : 37,794.96 = 15,287.55 : x
  2. Step 2: Convert to fraction form
    27,387.76/37,794.96 = 15,287.55/x
  3. Step 3: Cross multiply
    27,387.76x = 37,794.96 × 15,287.55
  4. Step 4: Simplify right side
    27,387.76x = 577,792,340.75
  5. Step 5: Solve for x
    x = 577,792,340.75/27,387.76
  6. Step 6: Final answer
    x = 21,096.74

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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.