Home / 19,729.07-27,207.58-14,704.43

Finding the Fourth Proportional to 19,729.07, 27,207.58 and 14,704.43

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Solution

The fourth proportional to 19,729.07, 27,207.58 and 14,704.43 is: 20,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.07 : 27,207.58 = 14,704.43 : x
  2. Step 2: Convert to fraction form
    19,729.07/27,207.58 = 14,704.43/x
  3. Step 3: Cross multiply
    19,729.07x = 27,207.58 × 14,704.43
  4. Step 4: Simplify right side
    19,729.07x = 400,071,882.06
  5. Step 5: Solve for x
    x = 400,071,882.06/19,729.07
  6. Step 6: Final answer
    x = 20,278.30

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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.