Home / 27,618.56-41,422.04-8,900.28

Finding the Fourth Proportional to 27,618.56, 41,422.04 and 8,900.28

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Solution

The fourth proportional to 27,618.56, 41,422.04 and 8,900.28 is: 13,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.56 : 41,422.04 = 8,900.28 : x
  2. Step 2: Convert to fraction form
    27,618.56/41,422.04 = 8,900.28/x
  3. Step 3: Cross multiply
    27,618.56x = 41,422.04 × 8,900.28
  4. Step 4: Simplify right side
    27,618.56x = 368,667,754.17
  5. Step 5: Solve for x
    x = 368,667,754.17/27,618.56
  6. Step 6: Final answer
    x = 13,348.55

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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.