Home / 19,727.52-29,637.20-18,665.88

Finding the Fourth Proportional to 19,727.52, 29,637.20 and 18,665.88

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Solution

The fourth proportional to 19,727.52, 29,637.20 and 18,665.88 is: 28,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.52 : 29,637.20 = 18,665.88 : x
  2. Step 2: Convert to fraction form
    19,727.52/29,637.20 = 18,665.88/x
  3. Step 3: Cross multiply
    19,727.52x = 29,637.20 × 18,665.88
  4. Step 4: Simplify right side
    19,727.52x = 553,204,418.74
  5. Step 5: Solve for x
    x = 553,204,418.74/19,727.52
  6. Step 6: Final answer
    x = 28,042.27

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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.