Home / 27,818.20-41,727.30-19,005.40

Finding the Fourth Proportional to 27,818.20, 41,727.30 and 19,005.40

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Solution

The fourth proportional to 27,818.20, 41,727.30 and 19,005.40 is: 28,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.20 : 41,727.30 = 19,005.40 : x
  2. Step 2: Convert to fraction form
    27,818.20/41,727.30 = 19,005.40/x
  3. Step 3: Cross multiply
    27,818.20x = 41,727.30 × 19,005.40
  4. Step 4: Simplify right side
    27,818.20x = 793,044,027.42
  5. Step 5: Solve for x
    x = 793,044,027.42/27,818.20
  6. Step 6: Final answer
    x = 28,508.10

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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.