Home / 15,792.80-23,667.60-12,876.80

Finding the Fourth Proportional to 15,792.80, 23,667.60 and 12,876.80

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Solution

The fourth proportional to 15,792.80, 23,667.60 and 12,876.80 is: 19,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.80 : 23,667.60 = 12,876.80 : x
  2. Step 2: Convert to fraction form
    15,792.80/23,667.60 = 12,876.80/x
  3. Step 3: Cross multiply
    15,792.80x = 23,667.60 × 12,876.80
  4. Step 4: Simplify right side
    15,792.80x = 304,762,951.68
  5. Step 5: Solve for x
    x = 304,762,951.68/15,792.80
  6. Step 6: Final answer
    x = 19,297.59

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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.