Home / 27,785.25-38,353.37-16,607.25

Finding the Fourth Proportional to 27,785.25, 38,353.37 and 16,607.25

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Solution

The fourth proportional to 27,785.25, 38,353.37 and 16,607.25 is: 22,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.25 : 38,353.37 = 16,607.25 : x
  2. Step 2: Convert to fraction form
    27,785.25/38,353.37 = 16,607.25/x
  3. Step 3: Cross multiply
    27,785.25x = 38,353.37 × 16,607.25
  4. Step 4: Simplify right side
    27,785.25x = 636,943,920.90
  5. Step 5: Solve for x
    x = 636,943,920.90/27,785.25
  6. Step 6: Final answer
    x = 22,923.81

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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.