Home / 27,220.46-37,568.12-15,284.61

Finding the Fourth Proportional to 27,220.46, 37,568.12 and 15,284.61

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Solution

The fourth proportional to 27,220.46, 37,568.12 and 15,284.61 is: 21,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.46 : 37,568.12 = 15,284.61 : x
  2. Step 2: Convert to fraction form
    27,220.46/37,568.12 = 15,284.61/x
  3. Step 3: Cross multiply
    27,220.46x = 37,568.12 × 15,284.61
  4. Step 4: Simplify right side
    27,220.46x = 574,213,986.21
  5. Step 5: Solve for x
    x = 574,213,986.21/27,220.46
  6. Step 6: Final answer
    x = 21,094.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.