Home / 18,315.31-27,423.75-15,067.61

Finding the Fourth Proportional to 18,315.31, 27,423.75 and 15,067.61

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Solution

The fourth proportional to 18,315.31, 27,423.75 and 15,067.61 is: 22,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.31 : 27,423.75 = 15,067.61 : x
  2. Step 2: Convert to fraction form
    18,315.31/27,423.75 = 15,067.61/x
  3. Step 3: Cross multiply
    18,315.31x = 27,423.75 × 15,067.61
  4. Step 4: Simplify right side
    18,315.31x = 413,210,369.74
  5. Step 5: Solve for x
    x = 413,210,369.74/18,315.31
  6. Step 6: Final answer
    x = 22,560.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.