Home / 27,810.40-41,711.55-8,086.90

Finding the Fourth Proportional to 27,810.40, 41,711.55 and 8,086.90

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Solution

The fourth proportional to 27,810.40, 41,711.55 and 8,086.90 is: 12,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.40 : 41,711.55 = 8,086.90 : x
  2. Step 2: Convert to fraction form
    27,810.40/41,711.55 = 8,086.90/x
  3. Step 3: Cross multiply
    27,810.40x = 41,711.55 × 8,086.90
  4. Step 4: Simplify right side
    27,810.40x = 337,317,133.70
  5. Step 5: Solve for x
    x = 337,317,133.70/27,810.40
  6. Step 6: Final answer
    x = 12,129.17

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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.