Home / 27,890.20-41,837.93-9,170.28

Finding the Fourth Proportional to 27,890.20, 41,837.93 and 9,170.28

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Solution

The fourth proportional to 27,890.20, 41,837.93 and 9,170.28 is: 13,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.20 : 41,837.93 = 9,170.28 : x
  2. Step 2: Convert to fraction form
    27,890.20/41,837.93 = 9,170.28/x
  3. Step 3: Cross multiply
    27,890.20x = 41,837.93 × 9,170.28
  4. Step 4: Simplify right side
    27,890.20x = 383,665,532.72
  5. Step 5: Solve for x
    x = 383,665,532.72/27,890.20
  6. Step 6: Final answer
    x = 13,756.28

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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.