Home / 27,173.76-40,730.72-20,488.83

Finding the Fourth Proportional to 27,173.76, 40,730.72 and 20,488.83

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Solution

The fourth proportional to 27,173.76, 40,730.72 and 20,488.83 is: 30,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.76 : 40,730.72 = 20,488.83 : x
  2. Step 2: Convert to fraction form
    27,173.76/40,730.72 = 20,488.83/x
  3. Step 3: Cross multiply
    27,173.76x = 40,730.72 × 20,488.83
  4. Step 4: Simplify right side
    27,173.76x = 834,524,594.20
  5. Step 5: Solve for x
    x = 834,524,594.20/27,173.76
  6. Step 6: Final answer
    x = 30,710.68

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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.