Home / 19,757.88-27,292.50-15,807.24

Finding the Fourth Proportional to 19,757.88, 27,292.50 and 15,807.24

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Solution

The fourth proportional to 19,757.88, 27,292.50 and 15,807.24 is: 21,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.88 : 27,292.50 = 15,807.24 : x
  2. Step 2: Convert to fraction form
    19,757.88/27,292.50 = 15,807.24/x
  3. Step 3: Cross multiply
    19,757.88x = 27,292.50 × 15,807.24
  4. Step 4: Simplify right side
    19,757.88x = 431,419,097.70
  5. Step 5: Solve for x
    x = 431,419,097.70/19,757.88
  6. Step 6: Final answer
    x = 21,835.29

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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.