Home / 27,944.97-38,562.02-15,845.69

Finding the Fourth Proportional to 27,944.97, 38,562.02 and 15,845.69

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Solution

The fourth proportional to 27,944.97, 38,562.02 and 15,845.69 is: 21,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944.97 : 38,562.02 = 15,845.69 : x
  2. Step 2: Convert to fraction form
    27,944.97/38,562.02 = 15,845.69/x
  3. Step 3: Cross multiply
    27,944.97x = 38,562.02 × 15,845.69
  4. Step 4: Simplify right side
    27,944.97x = 611,041,735.47
  5. Step 5: Solve for x
    x = 611,041,735.47/27,944.97
  6. Step 6: Final answer
    x = 21,865.90

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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.