Home / 28,820.60-43,213.60-11,269.52

Finding the Fourth Proportional to 28,820.60, 43,213.60 and 11,269.52

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Solution

The fourth proportional to 28,820.60, 43,213.60 and 11,269.52 is: 16,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.60 : 43,213.60 = 11,269.52 : x
  2. Step 2: Convert to fraction form
    28,820.60/43,213.60 = 11,269.52/x
  3. Step 3: Cross multiply
    28,820.60x = 43,213.60 × 11,269.52
  4. Step 4: Simplify right side
    28,820.60x = 486,996,529.47
  5. Step 5: Solve for x
    x = 486,996,529.47/28,820.60
  6. Step 6: Final answer
    x = 16,897.52

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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.