Home / 27,359.89-37,754.38-15,426.16

Finding the Fourth Proportional to 27,359.89, 37,754.38 and 15,426.16

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Solution

The fourth proportional to 27,359.89, 37,754.38 and 15,426.16 is: 21,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.89 : 37,754.38 = 15,426.16 : x
  2. Step 2: Convert to fraction form
    27,359.89/37,754.38 = 15,426.16/x
  3. Step 3: Cross multiply
    27,359.89x = 37,754.38 × 15,426.16
  4. Step 4: Simplify right side
    27,359.89x = 582,405,106.58
  5. Step 5: Solve for x
    x = 582,405,106.58/27,359.89
  6. Step 6: Final answer
    x = 21,286.82

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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.