Home / 27,896.28-38,499.56-15,957.28

Finding the Fourth Proportional to 27,896.28, 38,499.56 and 15,957.28

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Solution

The fourth proportional to 27,896.28, 38,499.56 and 15,957.28 is: 22,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.28 : 38,499.56 = 15,957.28 : x
  2. Step 2: Convert to fraction form
    27,896.28/38,499.56 = 15,957.28/x
  3. Step 3: Cross multiply
    27,896.28x = 38,499.56 × 15,957.28
  4. Step 4: Simplify right side
    27,896.28x = 614,348,258.80
  5. Step 5: Solve for x
    x = 614,348,258.80/27,896.28
  6. Step 6: Final answer
    x = 22,022.59

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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.