Home / 28,441.89-39,241.94-18,370.76

Finding the Fourth Proportional to 28,441.89, 39,241.94 and 18,370.76

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Solution

The fourth proportional to 28,441.89, 39,241.94 and 18,370.76 is: 25,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.89 : 39,241.94 = 18,370.76 : x
  2. Step 2: Convert to fraction form
    28,441.89/39,241.94 = 18,370.76/x
  3. Step 3: Cross multiply
    28,441.89x = 39,241.94 × 18,370.76
  4. Step 4: Simplify right side
    28,441.89x = 720,903,973.61
  5. Step 5: Solve for x
    x = 720,903,973.61/28,441.89
  6. Step 6: Final answer
    x = 25,346.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.