Home / 27,940.06-38,525.79-20,373.04

Finding the Fourth Proportional to 27,940.06, 38,525.79 and 20,373.04

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Solution

The fourth proportional to 27,940.06, 38,525.79 and 20,373.04 is: 28,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.06 : 38,525.79 = 20,373.04 : x
  2. Step 2: Convert to fraction form
    27,940.06/38,525.79 = 20,373.04/x
  3. Step 3: Cross multiply
    27,940.06x = 38,525.79 × 20,373.04
  4. Step 4: Simplify right side
    27,940.06x = 784,887,460.70
  5. Step 5: Solve for x
    x = 784,887,460.70/27,940.06
  6. Step 6: Final answer
    x = 28,091.83

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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.