Home / 27,804.56-38,379.64-16,902.66

Finding the Fourth Proportional to 27,804.56, 38,379.64 and 16,902.66

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Solution

The fourth proportional to 27,804.56, 38,379.64 and 16,902.66 is: 23,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.56 : 38,379.64 = 16,902.66 : x
  2. Step 2: Convert to fraction form
    27,804.56/38,379.64 = 16,902.66/x
  3. Step 3: Cross multiply
    27,804.56x = 38,379.64 × 16,902.66
  4. Step 4: Simplify right side
    27,804.56x = 648,718,005.84
  5. Step 5: Solve for x
    x = 648,718,005.84/27,804.56
  6. Step 6: Final answer
    x = 23,331.35

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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.