Home / 20,242.59-27,934.14-11,043.80

Finding the Fourth Proportional to 20,242.59, 27,934.14 and 11,043.80

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Solution

The fourth proportional to 20,242.59, 27,934.14 and 11,043.80 is: 15,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.59 : 27,934.14 = 11,043.80 : x
  2. Step 2: Convert to fraction form
    20,242.59/27,934.14 = 11,043.80/x
  3. Step 3: Cross multiply
    20,242.59x = 27,934.14 × 11,043.80
  4. Step 4: Simplify right side
    20,242.59x = 308,499,055.33
  5. Step 5: Solve for x
    x = 308,499,055.33/20,242.59
  6. Step 6: Final answer
    x = 15,240.10

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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.