Home / 27,836.12-38,414.32-15,089.56

Finding the Fourth Proportional to 27,836.12, 38,414.32 and 15,089.56

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Solution

The fourth proportional to 27,836.12, 38,414.32 and 15,089.56 is: 20,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.12 : 38,414.32 = 15,089.56 : x
  2. Step 2: Convert to fraction form
    27,836.12/38,414.32 = 15,089.56/x
  3. Step 3: Cross multiply
    27,836.12x = 38,414.32 × 15,089.56
  4. Step 4: Simplify right side
    27,836.12x = 579,655,052.74
  5. Step 5: Solve for x
    x = 579,655,052.74/27,836.12
  6. Step 6: Final answer
    x = 20,823.84

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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.