Home / 27,396.51-37,772.78-22,355.61

Finding the Fourth Proportional to 27,396.51, 37,772.78 and 22,355.61

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Solution

The fourth proportional to 27,396.51, 37,772.78 and 22,355.61 is: 30,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.51 : 37,772.78 = 22,355.61 : x
  2. Step 2: Convert to fraction form
    27,396.51/37,772.78 = 22,355.61/x
  3. Step 3: Cross multiply
    27,396.51x = 37,772.78 × 22,355.61
  4. Step 4: Simplify right side
    27,396.51x = 844,433,426.52
  5. Step 5: Solve for x
    x = 844,433,426.52/27,396.51
  6. Step 6: Final answer
    x = 30,822.66

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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.