Home / 27,488.40-41,200.20-20,554.80

Finding the Fourth Proportional to 27,488.40, 41,200.20 and 20,554.80

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Solution

The fourth proportional to 27,488.40, 41,200.20 and 20,554.80 is: 30,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.40 : 41,200.20 = 20,554.80 : x
  2. Step 2: Convert to fraction form
    27,488.40/41,200.20 = 20,554.80/x
  3. Step 3: Cross multiply
    27,488.40x = 41,200.20 × 20,554.80
  4. Step 4: Simplify right side
    27,488.40x = 846,861,870.96
  5. Step 5: Solve for x
    x = 846,861,870.96/27,488.40
  6. Step 6: Final answer
    x = 30,807.97

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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.