Home / 27,554.90-41,320.20-10,909.40

Finding the Fourth Proportional to 27,554.90, 41,320.20 and 10,909.40

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Solution

The fourth proportional to 27,554.90, 41,320.20 and 10,909.40 is: 16,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.90 : 41,320.20 = 10,909.40 : x
  2. Step 2: Convert to fraction form
    27,554.90/41,320.20 = 10,909.40/x
  3. Step 3: Cross multiply
    27,554.90x = 41,320.20 × 10,909.40
  4. Step 4: Simplify right side
    27,554.90x = 450,778,589.88
  5. Step 5: Solve for x
    x = 450,778,589.88/27,554.90
  6. Step 6: Final answer
    x = 16,359.29

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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.