Home / 27,072.43-40,615.56-10,427.99

Finding the Fourth Proportional to 27,072.43, 40,615.56 and 10,427.99

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Solution

The fourth proportional to 27,072.43, 40,615.56 and 10,427.99 is: 15,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.43 : 40,615.56 = 10,427.99 : x
  2. Step 2: Convert to fraction form
    27,072.43/40,615.56 = 10,427.99/x
  3. Step 3: Cross multiply
    27,072.43x = 40,615.56 × 10,427.99
  4. Step 4: Simplify right side
    27,072.43x = 423,538,678.91
  5. Step 5: Solve for x
    x = 423,538,678.91/27,072.43
  6. Step 6: Final answer
    x = 15,644.65

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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.