Home / 20,027.60-30,000.40-11,244.08

Finding the Fourth Proportional to 20,027.60, 30,000.40 and 11,244.08

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Solution

The fourth proportional to 20,027.60, 30,000.40 and 11,244.08 is: 16,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.60 : 30,000.40 = 11,244.08 : x
  2. Step 2: Convert to fraction form
    20,027.60/30,000.40 = 11,244.08/x
  3. Step 3: Cross multiply
    20,027.60x = 30,000.40 × 11,244.08
  4. Step 4: Simplify right side
    20,027.60x = 337,326,897.63
  5. Step 5: Solve for x
    x = 337,326,897.63/20,027.60
  6. Step 6: Final answer
    x = 16,843.10

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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.