Home / 27,761.73-38,323.70-17,703.69

Finding the Fourth Proportional to 27,761.73, 38,323.70 and 17,703.69

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Solution

The fourth proportional to 27,761.73, 38,323.70 and 17,703.69 is: 24,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.73 : 38,323.70 = 17,703.69 : x
  2. Step 2: Convert to fraction form
    27,761.73/38,323.70 = 17,703.69/x
  3. Step 3: Cross multiply
    27,761.73x = 38,323.70 × 17,703.69
  4. Step 4: Simplify right side
    27,761.73x = 678,470,815.93
  5. Step 5: Solve for x
    x = 678,470,815.93/27,761.73
  6. Step 6: Final answer
    x = 24,439.07

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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.