Home / 19,320.60-28,967.94-7,627.80

Finding the Fourth Proportional to 19,320.60, 28,967.94 and 7,627.80

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Solution

The fourth proportional to 19,320.60, 28,967.94 and 7,627.80 is: 11,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.60 : 28,967.94 = 7,627.80 : x
  2. Step 2: Convert to fraction form
    19,320.60/28,967.94 = 7,627.80/x
  3. Step 3: Cross multiply
    19,320.60x = 28,967.94 × 7,627.80
  4. Step 4: Simplify right side
    19,320.60x = 220,961,652.73
  5. Step 5: Solve for x
    x = 220,961,652.73/19,320.60
  6. Step 6: Final answer
    x = 11,436.58

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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.