Home / 27,724.25-38,260.41-15,149.81

Finding the Fourth Proportional to 27,724.25, 38,260.41 and 15,149.81

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Solution

The fourth proportional to 27,724.25, 38,260.41 and 15,149.81 is: 20,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.25 : 38,260.41 = 15,149.81 : x
  2. Step 2: Convert to fraction form
    27,724.25/38,260.41 = 15,149.81/x
  3. Step 3: Cross multiply
    27,724.25x = 38,260.41 × 15,149.81
  4. Step 4: Simplify right side
    27,724.25x = 579,637,942.02
  5. Step 5: Solve for x
    x = 579,637,942.02/27,724.25
  6. Step 6: Final answer
    x = 20,907.25

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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.