Home / 19,685.27-27,165.30-10,732.85

Finding the Fourth Proportional to 19,685.27, 27,165.30 and 10,732.85

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Solution

The fourth proportional to 19,685.27, 27,165.30 and 10,732.85 is: 14,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.27 : 27,165.30 = 10,732.85 : x
  2. Step 2: Convert to fraction form
    19,685.27/27,165.30 = 10,732.85/x
  3. Step 3: Cross multiply
    19,685.27x = 27,165.30 × 10,732.85
  4. Step 4: Simplify right side
    19,685.27x = 291,560,954.28
  5. Step 5: Solve for x
    x = 291,560,954.28/19,685.27
  6. Step 6: Final answer
    x = 14,811.13

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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.