Home / 19,261.60-28,873.20-8,855.20

Finding the Fourth Proportional to 19,261.60, 28,873.20 and 8,855.20

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Solution

The fourth proportional to 19,261.60, 28,873.20 and 8,855.20 is: 13,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.60 : 28,873.20 = 8,855.20 : x
  2. Step 2: Convert to fraction form
    19,261.60/28,873.20 = 8,855.20/x
  3. Step 3: Cross multiply
    19,261.60x = 28,873.20 × 8,855.20
  4. Step 4: Simplify right side
    19,261.60x = 255,677,960.64
  5. Step 5: Solve for x
    x = 255,677,960.64/19,261.60
  6. Step 6: Final answer
    x = 13,273.97

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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.