Home / 23,391.22-32,279.49-12,780.94

Finding the Fourth Proportional to 23,391.22, 32,279.49 and 12,780.94

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Solution

The fourth proportional to 23,391.22, 32,279.49 and 12,780.94 is: 17,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.22 : 32,279.49 = 12,780.94 : x
  2. Step 2: Convert to fraction form
    23,391.22/32,279.49 = 12,780.94/x
  3. Step 3: Cross multiply
    23,391.22x = 32,279.49 × 12,780.94
  4. Step 4: Simplify right side
    23,391.22x = 412,562,224.92
  5. Step 5: Solve for x
    x = 412,562,224.92/23,391.22
  6. Step 6: Final answer
    x = 17,637.48

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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.