Home / 27,228.79-37,583.49-15,900.94

Finding the Fourth Proportional to 27,228.79, 37,583.49 and 15,900.94

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Solution

The fourth proportional to 27,228.79, 37,583.49 and 15,900.94 is: 21,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.79 : 37,583.49 = 15,900.94 : x
  2. Step 2: Convert to fraction form
    27,228.79/37,583.49 = 15,900.94/x
  3. Step 3: Cross multiply
    27,228.79x = 37,583.49 × 15,900.94
  4. Step 4: Simplify right side
    27,228.79x = 597,612,819.48
  5. Step 5: Solve for x
    x = 597,612,819.48/27,228.79
  6. Step 6: Final answer
    x = 21,947.83

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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.