Home / 28,499.84-42,759.48-15,353.56

Finding the Fourth Proportional to 28,499.84, 42,759.48 and 15,353.56

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Solution

The fourth proportional to 28,499.84, 42,759.48 and 15,353.56 is: 23,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.84 : 42,759.48 = 15,353.56 : x
  2. Step 2: Convert to fraction form
    28,499.84/42,759.48 = 15,353.56/x
  3. Step 3: Cross multiply
    28,499.84x = 42,759.48 × 15,353.56
  4. Step 4: Simplify right side
    28,499.84x = 656,510,241.75
  5. Step 5: Solve for x
    x = 656,510,241.75/28,499.84
  6. Step 6: Final answer
    x = 23,035.58

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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.