Home / 27,178.43-37,507.82-15,240.83

Finding the Fourth Proportional to 27,178.43, 37,507.82 and 15,240.83

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Solution

The fourth proportional to 27,178.43, 37,507.82 and 15,240.83 is: 21,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.43 : 37,507.82 = 15,240.83 : x
  2. Step 2: Convert to fraction form
    27,178.43/37,507.82 = 15,240.83/x
  3. Step 3: Cross multiply
    27,178.43x = 37,507.82 × 15,240.83
  4. Step 4: Simplify right side
    27,178.43x = 571,650,044.55
  5. Step 5: Solve for x
    x = 571,650,044.55/27,178.43
  6. Step 6: Final answer
    x = 21,033.23

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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.