Home / 27,518.38-37,972.73-15,579.38

Finding the Fourth Proportional to 27,518.38, 37,972.73 and 15,579.38

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Solution

The fourth proportional to 27,518.38, 37,972.73 and 15,579.38 is: 21,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.38 : 37,972.73 = 15,579.38 : x
  2. Step 2: Convert to fraction form
    27,518.38/37,972.73 = 15,579.38/x
  3. Step 3: Cross multiply
    27,518.38x = 37,972.73 × 15,579.38
  4. Step 4: Simplify right side
    27,518.38x = 591,591,512.41
  5. Step 5: Solve for x
    x = 591,591,512.41/27,518.38
  6. Step 6: Final answer
    x = 21,498.05

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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.