Home / 19,757.91-29,382.75-19,135.02

Finding the Fourth Proportional to 19,757.91, 29,382.75 and 19,135.02

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Solution

The fourth proportional to 19,757.91, 29,382.75 and 19,135.02 is: 28,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.91 : 29,382.75 = 19,135.02 : x
  2. Step 2: Convert to fraction form
    19,757.91/29,382.75 = 19,135.02/x
  3. Step 3: Cross multiply
    19,757.91x = 29,382.75 × 19,135.02
  4. Step 4: Simplify right side
    19,757.91x = 562,239,508.91
  5. Step 5: Solve for x
    x = 562,239,508.91/19,757.91
  6. Step 6: Final answer
    x = 28,456.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.