Home / 28,938.86-43,408.82-10,218.44

Finding the Fourth Proportional to 28,938.86, 43,408.82 and 10,218.44

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Solution

The fourth proportional to 28,938.86, 43,408.82 and 10,218.44 is: 15,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.86 : 43,408.82 = 10,218.44 : x
  2. Step 2: Convert to fraction form
    28,938.86/43,408.82 = 10,218.44/x
  3. Step 3: Cross multiply
    28,938.86x = 43,408.82 × 10,218.44
  4. Step 4: Simplify right side
    28,938.86x = 443,570,422.64
  5. Step 5: Solve for x
    x = 443,570,422.64/28,938.86
  6. Step 6: Final answer
    x = 15,327.85

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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.