Home / 27,009.60-40,514.40-15,199.80

Finding the Fourth Proportional to 27,009.60, 40,514.40 and 15,199.80

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Solution

The fourth proportional to 27,009.60, 40,514.40 and 15,199.80 is: 22,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.60 : 40,514.40 = 15,199.80 : x
  2. Step 2: Convert to fraction form
    27,009.60/40,514.40 = 15,199.80/x
  3. Step 3: Cross multiply
    27,009.60x = 40,514.40 × 15,199.80
  4. Step 4: Simplify right side
    27,009.60x = 615,810,777.12
  5. Step 5: Solve for x
    x = 615,810,777.12/27,009.60
  6. Step 6: Final answer
    x = 22,799.70

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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.