Home / 20,089.38-27,711.79-12,532.08

Finding the Fourth Proportional to 20,089.38, 27,711.79 and 12,532.08

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Solution

The fourth proportional to 20,089.38, 27,711.79 and 12,532.08 is: 17,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.38 : 27,711.79 = 12,532.08 : x
  2. Step 2: Convert to fraction form
    20,089.38/27,711.79 = 12,532.08/x
  3. Step 3: Cross multiply
    20,089.38x = 27,711.79 × 12,532.08
  4. Step 4: Simplify right side
    20,089.38x = 347,286,369.22
  5. Step 5: Solve for x
    x = 347,286,369.22/20,089.38
  6. Step 6: Final answer
    x = 17,287.06

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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.