Home / 27,740.76-38,292.84-18,834.36

Finding the Fourth Proportional to 27,740.76, 38,292.84 and 18,834.36

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Solution

The fourth proportional to 27,740.76, 38,292.84 and 18,834.36 is: 25,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.76 : 38,292.84 = 18,834.36 : x
  2. Step 2: Convert to fraction form
    27,740.76/38,292.84 = 18,834.36/x
  3. Step 3: Cross multiply
    27,740.76x = 38,292.84 × 18,834.36
  4. Step 4: Simplify right side
    27,740.76x = 721,221,133.98
  5. Step 5: Solve for x
    x = 721,221,133.98/27,740.76
  6. Step 6: Final answer
    x = 25,998.61

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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.