Home / 19,677.24-27,167.40-15,193.08

Finding the Fourth Proportional to 19,677.24, 27,167.40 and 15,193.08

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Solution

The fourth proportional to 19,677.24, 27,167.40 and 15,193.08 is: 20,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.24 : 27,167.40 = 15,193.08 : x
  2. Step 2: Convert to fraction form
    19,677.24/27,167.40 = 15,193.08/x
  3. Step 3: Cross multiply
    19,677.24x = 27,167.40 × 15,193.08
  4. Step 4: Simplify right side
    19,677.24x = 412,756,481.59
  5. Step 5: Solve for x
    x = 412,756,481.59/19,677.24
  6. Step 6: Final answer
    x = 20,976.34

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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.