Home / 27,141.49-37,455.78-15,204.70

Finding the Fourth Proportional to 27,141.49, 37,455.78 and 15,204.70

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Solution

The fourth proportional to 27,141.49, 37,455.78 and 15,204.70 is: 20,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.49 : 37,455.78 = 15,204.70 : x
  2. Step 2: Convert to fraction form
    27,141.49/37,455.78 = 15,204.70/x
  3. Step 3: Cross multiply
    27,141.49x = 37,455.78 × 15,204.70
  4. Step 4: Simplify right side
    27,141.49x = 569,503,898.17
  5. Step 5: Solve for x
    x = 569,503,898.17/27,141.49
  6. Step 6: Final answer
    x = 20,982.78

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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.