Home / 27,017.43-40,482.41-20,456.43

Finding the Fourth Proportional to 27,017.43, 40,482.41 and 20,456.43

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Solution

The fourth proportional to 27,017.43, 40,482.41 and 20,456.43 is: 30,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,017.43 : 40,482.41 = 20,456.43 : x
  2. Step 2: Convert to fraction form
    27,017.43/40,482.41 = 20,456.43/x
  3. Step 3: Cross multiply
    27,017.43x = 40,482.41 × 20,456.43
  4. Step 4: Simplify right side
    27,017.43x = 828,125,484.11
  5. Step 5: Solve for x
    x = 828,125,484.11/27,017.43
  6. Step 6: Final answer
    x = 30,651.53

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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.