Home / 27,625.70-41,438.55-18,812.90

Finding the Fourth Proportional to 27,625.70, 41,438.55 and 18,812.90

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Solution

The fourth proportional to 27,625.70, 41,438.55 and 18,812.90 is: 28,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.70 : 41,438.55 = 18,812.90 : x
  2. Step 2: Convert to fraction form
    27,625.70/41,438.55 = 18,812.90/x
  3. Step 3: Cross multiply
    27,625.70x = 41,438.55 × 18,812.90
  4. Step 4: Simplify right side
    27,625.70x = 779,579,297.30
  5. Step 5: Solve for x
    x = 779,579,297.30/27,625.70
  6. Step 6: Final answer
    x = 28,219.35

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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.