Home / 23,456.89-35,102.22-20,688.97

Finding the Fourth Proportional to 23,456.89, 35,102.22 and 20,688.97

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Solution

The fourth proportional to 23,456.89, 35,102.22 and 20,688.97 is: 30,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,456.89 : 35,102.22 = 20,688.97 : x
  2. Step 2: Convert to fraction form
    23,456.89/35,102.22 = 20,688.97/x
  3. Step 3: Cross multiply
    23,456.89x = 35,102.22 × 20,688.97
  4. Step 4: Simplify right side
    23,456.89x = 726,228,776.51
  5. Step 5: Solve for x
    x = 726,228,776.51/23,456.89
  6. Step 6: Final answer
    x = 30,960.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.