Home / 27,400.43-37,801.83-15,913.38

Finding the Fourth Proportional to 27,400.43, 37,801.83 and 15,913.38

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Solution

The fourth proportional to 27,400.43, 37,801.83 and 15,913.38 is: 21,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.43 : 37,801.83 = 15,913.38 : x
  2. Step 2: Convert to fraction form
    27,400.43/37,801.83 = 15,913.38/x
  3. Step 3: Cross multiply
    27,400.43x = 37,801.83 × 15,913.38
  4. Step 4: Simplify right side
    27,400.43x = 601,554,926.53
  5. Step 5: Solve for x
    x = 601,554,926.53/27,400.43
  6. Step 6: Final answer
    x = 21,954.22

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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.