Home / 27,836.49-38,414.43-15,089.70

Finding the Fourth Proportional to 27,836.49, 38,414.43 and 15,089.70

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Solution

The fourth proportional to 27,836.49, 38,414.43 and 15,089.70 is: 20,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.49 : 38,414.43 = 15,089.70 : x
  2. Step 2: Convert to fraction form
    27,836.49/38,414.43 = 15,089.70/x
  3. Step 3: Cross multiply
    27,836.49x = 38,414.43 × 15,089.70
  4. Step 4: Simplify right side
    27,836.49x = 579,662,224.37
  5. Step 5: Solve for x
    x = 579,662,224.37/27,836.49
  6. Step 6: Final answer
    x = 20,823.83

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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.