Home / 23,313.40-34,920.62-18,851.92

Finding the Fourth Proportional to 23,313.40, 34,920.62 and 18,851.92

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Solution

The fourth proportional to 23,313.40, 34,920.62 and 18,851.92 is: 28,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,313.40 : 34,920.62 = 18,851.92 : x
  2. Step 2: Convert to fraction form
    23,313.40/34,920.62 = 18,851.92/x
  3. Step 3: Cross multiply
    23,313.40x = 34,920.62 × 18,851.92
  4. Step 4: Simplify right side
    23,313.40x = 658,320,734.59
  5. Step 5: Solve for x
    x = 658,320,734.59/23,313.40
  6. Step 6: Final answer
    x = 28,237.87

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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.