Home / 27,920.68-41,883.05-10,390.50

Finding the Fourth Proportional to 27,920.68, 41,883.05 and 10,390.50

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Solution

The fourth proportional to 27,920.68, 41,883.05 and 10,390.50 is: 15,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.68 : 41,883.05 = 10,390.50 : x
  2. Step 2: Convert to fraction form
    27,920.68/41,883.05 = 10,390.50/x
  3. Step 3: Cross multiply
    27,920.68x = 41,883.05 × 10,390.50
  4. Step 4: Simplify right side
    27,920.68x = 435,185,857.00
  5. Step 5: Solve for x
    x = 435,185,857.00/27,920.68
  6. Step 6: Final answer
    x = 15,586.51

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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.