Home / 23,166.20-31,945.47-19,820.09

Finding the Fourth Proportional to 23,166.20, 31,945.47 and 19,820.09

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Solution

The fourth proportional to 23,166.20, 31,945.47 and 19,820.09 is: 27,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.20 : 31,945.47 = 19,820.09 : x
  2. Step 2: Convert to fraction form
    23,166.20/31,945.47 = 19,820.09/x
  3. Step 3: Cross multiply
    23,166.20x = 31,945.47 × 19,820.09
  4. Step 4: Simplify right side
    23,166.20x = 633,162,124.89
  5. Step 5: Solve for x
    x = 633,162,124.89/23,166.20
  6. Step 6: Final answer
    x = 27,331.29

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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.