Home / 27,529.33-37,993.14-15,431.87

Finding the Fourth Proportional to 27,529.33, 37,993.14 and 15,431.87

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Solution

The fourth proportional to 27,529.33, 37,993.14 and 15,431.87 is: 21,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.33 : 37,993.14 = 15,431.87 : x
  2. Step 2: Convert to fraction form
    27,529.33/37,993.14 = 15,431.87/x
  3. Step 3: Cross multiply
    27,529.33x = 37,993.14 × 15,431.87
  4. Step 4: Simplify right side
    27,529.33x = 586,305,244.76
  5. Step 5: Solve for x
    x = 586,305,244.76/27,529.33
  6. Step 6: Final answer
    x = 21,297.47

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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.