Home / 27,368.17-37,748.13-20,922.37

Finding the Fourth Proportional to 27,368.17, 37,748.13 and 20,922.37

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Solution

The fourth proportional to 27,368.17, 37,748.13 and 20,922.37 is: 28,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.17 : 37,748.13 = 20,922.37 : x
  2. Step 2: Convert to fraction form
    27,368.17/37,748.13 = 20,922.37/x
  3. Step 3: Cross multiply
    27,368.17x = 37,748.13 × 20,922.37
  4. Step 4: Simplify right side
    27,368.17x = 789,780,382.17
  5. Step 5: Solve for x
    x = 789,780,382.17/27,368.17
  6. Step 6: Final answer
    x = 28,857.63

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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.