Home / 27,516.74-37,965.39-15,579.82

Finding the Fourth Proportional to 27,516.74, 37,965.39 and 15,579.82

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Solution

The fourth proportional to 27,516.74, 37,965.39 and 15,579.82 is: 21,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.74 : 37,965.39 = 15,579.82 : x
  2. Step 2: Convert to fraction form
    27,516.74/37,965.39 = 15,579.82/x
  3. Step 3: Cross multiply
    27,516.74x = 37,965.39 × 15,579.82
  4. Step 4: Simplify right side
    27,516.74x = 591,493,752.60
  5. Step 5: Solve for x
    x = 591,493,752.60/27,516.74
  6. Step 6: Final answer
    x = 21,495.78

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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.