Home / 27,896.16-38,497.56-15,320.88

Finding the Fourth Proportional to 27,896.16, 38,497.56 and 15,320.88

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Solution

The fourth proportional to 27,896.16, 38,497.56 and 15,320.88 is: 21,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.16 : 38,497.56 = 15,320.88 : x
  2. Step 2: Convert to fraction form
    27,896.16/38,497.56 = 15,320.88/x
  3. Step 3: Cross multiply
    27,896.16x = 38,497.56 × 15,320.88
  4. Step 4: Simplify right side
    27,896.16x = 589,816,497.05
  5. Step 5: Solve for x
    x = 589,816,497.05/27,896.16
  6. Step 6: Final answer
    x = 21,143.29

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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.