Home / 28,015.24-42,021.94-11,374.86

Finding the Fourth Proportional to 28,015.24, 42,021.94 and 11,374.86

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Solution

The fourth proportional to 28,015.24, 42,021.94 and 11,374.86 is: 17,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.24 : 42,021.94 = 11,374.86 : x
  2. Step 2: Convert to fraction form
    28,015.24/42,021.94 = 11,374.86/x
  3. Step 3: Cross multiply
    28,015.24x = 42,021.94 × 11,374.86
  4. Step 4: Simplify right side
    28,015.24x = 477,993,684.43
  5. Step 5: Solve for x
    x = 477,993,684.43/28,015.24
  6. Step 6: Final answer
    x = 17,061.92

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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.