Home / 19,472.38-29,167.24-18,790.36

Finding the Fourth Proportional to 19,472.38, 29,167.24 and 18,790.36

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Solution

The fourth proportional to 19,472.38, 29,167.24 and 18,790.36 is: 28,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.38 : 29,167.24 = 18,790.36 : x
  2. Step 2: Convert to fraction form
    19,472.38/29,167.24 = 18,790.36/x
  3. Step 3: Cross multiply
    19,472.38x = 29,167.24 × 18,790.36
  4. Step 4: Simplify right side
    19,472.38x = 548,062,939.81
  5. Step 5: Solve for x
    x = 548,062,939.81/19,472.38
  6. Step 6: Final answer
    x = 28,145.66

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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.