Home / 27,604.66-38,072.28-18,043.78

Finding the Fourth Proportional to 27,604.66, 38,072.28 and 18,043.78

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Solution

The fourth proportional to 27,604.66, 38,072.28 and 18,043.78 is: 24,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.66 : 38,072.28 = 18,043.78 : x
  2. Step 2: Convert to fraction form
    27,604.66/38,072.28 = 18,043.78/x
  3. Step 3: Cross multiply
    27,604.66x = 38,072.28 × 18,043.78
  4. Step 4: Simplify right side
    27,604.66x = 686,967,844.42
  5. Step 5: Solve for x
    x = 686,967,844.42/27,604.66
  6. Step 6: Final answer
    x = 24,885.94

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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.