Home / 27,959.28-38,584.53-15,213.27

Finding the Fourth Proportional to 27,959.28, 38,584.53 and 15,213.27

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Solution

The fourth proportional to 27,959.28, 38,584.53 and 15,213.27 is: 20,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.28 : 38,584.53 = 15,213.27 : x
  2. Step 2: Convert to fraction form
    27,959.28/38,584.53 = 15,213.27/x
  3. Step 3: Cross multiply
    27,959.28x = 38,584.53 × 15,213.27
  4. Step 4: Simplify right side
    27,959.28x = 586,996,872.71
  5. Step 5: Solve for x
    x = 586,996,872.71/27,959.28
  6. Step 6: Final answer
    x = 20,994.71

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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.