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Finding the Fourth Proportional to 15,027.60, 22,530.60 and 8,455.80

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Solution

The fourth proportional to 15,027.60, 22,530.60 and 8,455.80 is: 12,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.60 : 22,530.60 = 8,455.80 : x
  2. Step 2: Convert to fraction form
    15,027.60/22,530.60 = 8,455.80/x
  3. Step 3: Cross multiply
    15,027.60x = 22,530.60 × 8,455.80
  4. Step 4: Simplify right side
    15,027.60x = 190,514,247.48
  5. Step 5: Solve for x
    x = 190,514,247.48/15,027.60
  6. Step 6: Final answer
    x = 12,677.62

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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.